Thanks for your inquiry. This product is made in Taiwan.

Can it be recalibrated ?

Thanks for your inquiry. You can send it back to us for the recalibration.

What happens if you use this to loosen tight screws? I inadvertently twisted it 3-4 times in the opposite direction, before reading instructions.

You are still ok, this is a spring and cam mechanism. It will work both directions.

Could you share a product specification pdf?

By David H. Morel on June 30, 2022

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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FIRSTINFO H5178 Precision Certified Torque Limiting Screwdriver, 1/4 Inch Hex Quick Release Bit Holder, 0.1-1.2 Nm/1.33-10.18 In-lb with Double Scale

FIRSTINFO H5178 Precision Certified Torque Limiting Screwdriver, 1/4 Inch Hex Quick Release Bit Holder, 0.1-1.2 Nm/1.33-10.18 In-lb with Double Scale

Product ID: 40445193

Details

Brand
FIRSTINFO FIT
Color
Black
Head Style
Hex
Material
Aluminum
Number of Items
1

🔄Quick release 1/4 inch hex bit holder

⏱️±6% certified accuracy

⚙️0.1-1.2 Nm torque range

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¥26566

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
FIRSTINFO FIT
Color
Black
Head Style
Hex

Description

🔧 Master your torque game with precision and confidence!

CERTIFIED RELIABILITY - ASME & ISO calibrated for ±6% accuracy—trust your tool, trust your work
ERGONOMIC LIGHTWEIGHT - Aluminum alloy build with non-slip grip for comfort during extended use
AUTOMATIC SLIP MECHANISM - Prevents over-tightening by slipping at preset torque—protect your components
PRECISION TORQUE CONTROL - Dual scale with 0.01 Nm increments ensures exact torque every time
QUICK RELEASE BIT HOLDER - Swap bits in seconds with the intuitive ring knob design—work smarter, not harder

The FIRSTINFO H5178 is a precision-certified torque limiting screwdriver featuring a dual scale (0.1-1.2 Nm) with ±6% accuracy, automatic slip to prevent over-tightening, and a quick-release 1/4 inch hex bit holder. Crafted from durable aluminum alloy, it offers ergonomic comfort and is calibrated to ASME and ISO standards, making it the ideal tool for electronics and precision applications.

Specifications

ASIN	B00XV8GVQK
Best Sellers Rank	#58,869 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #118 in Torque Wrenches
Brand	FIRSTINFO TOOLS FIT YOUR NEEDS
Brand Name	FIRSTINFO TOOLS FIT YOUR NEEDS
Color	Black
Customer Reviews	4.6 out of 5 stars 125 Reviews
Head Size	1/4
Head Style	Hex
Included Components	Bit Holder, Sockets
Item Dimensions	9.45 x 3.54 x 3.15 inches
Item Weight	250 Grams
Manufacturer	FIRSTINFO TOOLS
Manufacturer Part Number	H5178
Manufacturer Warranty Description	12 months after-sales warranty
Material	Aluminum
Material Type	Aluminum
Model Name	H5177
Model Number	H5178
Number of Items	1
Recommended Uses For Product	Electronics Item
Special Feature	Durability
UPC	712323806428
Unit Count	1.0 Count

Reviews

E**R

30.03.2023

D**N

11.12.2023

T**C

29.05.2020

E**A

14.08.2023

V**R

11.11.2020

A**R

26.02.2023

B**.

3.03.2019

R**B

15.05.2022

D**I

9.10.2022

紅**朱

2.04.2026

C**N

11.03.2026

S**E

28.09.2019

P**E

1.12.2024

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