---
product_id: 13307923
title: "Proto J000TL 25 Blade Long Feeler Gauge Set (1/2\" and 12\" blades in steel holder)"
brand: "proto"
price: "€ 85.86"
currency: EUR
in_stock: true
reviews_count: 13
category: "Proto"
url: https://www.desertcart.fi/products/13307923-proto-j000tl-25-blade-long-feeler-gauge-set-1-2
store_origin: FI
region: Finland
---

# 25 precision blades from 0.0015" to 0.040" 12-inch long steel blades for deep reach Made in USA, durable steel holder Proto J000TL 25 Blade Long Feeler Gauge Set (1/2" and 12" blades in steel holder)

**Brand:** proto
**Price:** € 85.86
**Availability:** ✅ In Stock

## Summary

> 📏 Measure deeper, measure smarter — don’t let tight spaces hold you back!

## Quick Answers

- **What is this?** Proto J000TL 25 Blade Long Feeler Gauge Set (1/2" and 12" blades in steel holder) by proto
- **How much does it cost?** € 85.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/13307923-proto-j000tl-25-blade-long-feeler-gauge-set-1-2)

## Best For

- proto enthusiasts

## Why This Product

- Trusted proto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Scale Etching:** Decimal and metric sizes etched on each blade for seamless global compatibility.
- • **Extended Reach Mastery:** 12-inch blades let you measure hard-to-access spaces others can’t touch.
- • **Lightweight Power Tool:** Weighing just 0.72 lbs, it’s portable without sacrificing strength or precision.
- • **Built to Last, Built in USA:** Rugged steel holder and blades crafted domestically for unmatched durability and reliability.
- • **Precision at Your Fingertips:** 25 finely etched blades cover ultra-fine to wider gaps with +/-0.001" accuracy.

## Overview

The Proto J000TL 25 Blade Long Feeler Gauge Set features 25 precision steel blades ranging from 0.0015 to 0.040 inches, each etched with both decimal and metric sizes. With 12-inch long blades housed in a durable steel holder, this USA-made tool offers exceptional reach and accuracy (+/-0.001 inches) for professional-grade gap measurements in automotive, industrial, and mechanical applications.

## Description

Stanley J000TL Proto 25 Blade Long Feeler Gauge Set 1/2-inch x 12-inch blades in steel holder. Sizes: .0015-inch, .002-inch, .003-inch, .004-inch, .005-inch, .006-inch, .007-inch, .008-inch, .009-inch, .010-inch, .011-inch, .012-inch, .013-inch, .014-inch, .015-inch, .016-inch, .017-inch, .018-inch, .019-inch, .020-inch, .021-inch, .025-inch, .027-inch, .030-inch, .040-inch. Blades etched with both decimal size and metric equivalent. 0.72-lbs Weight.

Review: Drum brakes. - Truly Amazing! truly saved from a fine with my semi-truck brake adjustment. bcuz i can measure the clearance between the drum & the pads.
Review: Must have for deeper gap measurements - These extended length feeler gauges help me to perform my job even better, allowing me to reach where the normal short feelers will not reach. Metal construction is great and functionality is great, only gripe is having the skinniest size on the outside causes it to crease and eventually it tore off, I should have moved them inside a little to prevent but didn't think about that till it tore off.

## Features

- 1/2-inch x 12-inch blades in steel holder
- Sizes: .0015-inch, .002-inch, .003-inch, .004-inch, .005-inch, .006-inch, thru .040-inch
- Blades etched with both decimal size and metric equivalent
- 0.72-lbs Weight
- Made in USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001HWAD8O |
| Best Sellers Rank | #23,224 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Feeler Gauges |
| Brand | Proto |
| Date First Available | October 8, 2008 |
| Department | Unisex-Adult |
| Global Trade Identification Number | 00662679530358 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.4 ounces |
| Item model number | J000TL |
| Manufacturer | Stanley Proto |
| Material | Blend |
| Measurement Accuracy | +/-0.001 inches |
| Product Dimensions | 1"L x 1"W |
| Range | ['0.0015', '0.040'] inches |
| UPC | 662679530358 |

## Product Details

- **Brand:** Proto
- **Material:** Blend
- **Measurement Accuracy:** +/-0.001 inches
- **Product Dimensions:** 1"L x 1"W
- **Range:** ['0.0015', '0.040'] inches

## Images

![Proto J000TL 25 Blade Long Feeler Gauge Set (1/2" and 12" blades in steel holder) - Image 1](https://m.media-amazon.com/images/I/51IxU+qlBmL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: "about this item" section says made in usa, but product information table with specs says country of origin is china. which is it?**
A: Proto's website says Made in USA with global materials.

**Q: what is the accuracy level/tolerance**
A: Very accurate to .001"
Tolerance is zero.

**Q: Are the blades stainless steel?**
A: No mostly likely high carbon steel.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Drum brakes.
*by L***. on December 21, 2025*

Truly Amazing! truly saved from a fine with my semi-truck brake adjustment. bcuz i can measure the clearance between the drum & the pads.

### ⭐⭐⭐⭐⭐ Must have for deeper gap measurements
*by D***L on January 2, 2026*

These extended length feeler gauges help me to perform my job even better, allowing me to reach where the normal short feelers will not reach. Metal construction is great and functionality is great, only gripe is having the skinniest size on the outside causes it to crease and eventually it tore off, I should have moved them inside a little to prevent but didn't think about that till it tore off.

### ⭐⭐⭐⭐⭐ Acceptable quality, easy to read markings and nice long reach.
*by S***0 on March 5, 2023*

This gauge was acceptable quality, engravings were easy to read and the long reach was just what I needed to check the gap on electric motor brakes on a warehouse crane system. The only issue I had was with the nut and bolt, the nut was a nice design and easy to tighten without a tool but at the same time it would come loose and fall out. I had to constantly tighten to prevent it from falling out. After a couple days of this, I replaced the thumb nut with a nylon nut. I didn't consider this enough of an issue to reduce the star rating.

## Frequently Bought Together

- Proto J000TL 25 Blade Long Feeler Gauge Set (1/2" and 12" blades in steel holder)
- Stanley Proto J000AA 25 Blade Master Feeler ga Set
- Starrett 436.1XRL-1 Outside Micrometer, Ratchet Stop, Lock Nut, Carbide Faces, 0-1" Range, 0.001" Graduation

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**Shop now:** [https://www.desertcart.fi/products/13307923-proto-j000tl-25-blade-long-feeler-gauge-set-1-2](https://www.desertcart.fi/products/13307923-proto-j000tl-25-blade-long-feeler-gauge-set-1-2)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-18*