FIRSTINFO 1/4" Hex Bit Holder 5~10 Nm/ 48.68~84.08 in-lb Adjustable Torque Screwdriver with 21 Pieces Bits Set

💎【With Dual Scale and Screwdriver bits & Extension Magnetic Holder for Conveniently Use】 -- Torque ranges from 5 to 10 Nm (48.68 to 84.08 in. lbs.) with dual scale, in 0.01 Nm increments. 1/4 inch universal hex holder. Intuitive torque adjustment automatically locks after each setting.

💎【Easily to Adjust 】-- Just press the locking knob when adjusting the torque; release the locking knob when reaching the setting torque value.

💎【Automatically Slips Design to Prevent Over-Tightening 】-- Three features when tightening fasteners: smooth, accurate, and consistent effects. When the torque reaches the desired torque value, the cam mechanism automatically slips to prevent over-tightening.

💎【Stronger and Durable Construction】 -- Spring-loaded locking collar locks the scale when the torque is setting. Made of best materials which can reach the exacting tolerance.

👍️  Provide one-year warranty  that covers any manufacturing defects .

👍️ If there has any questions, don't hesitate to let me know . 

1. Tolerance of torque ±6%.
2. 6.3mm (1/4") Hex drive for bit.
3. Double scale: 5~10Nm ; 48.68~84.08 in-lb
4. w/ 21pcs Screwdriver Bits & Extension Holder