High Precision Torque Tool Set: The for Bicycle Portable Torque Wrench Inner Hexagon Set has a high precision torque tool set that ensures accurate torque wrenching. Convenient Torque Wrench: This torque wrench is portable and easy to use, making it convenient for on-the-go bicycle repairs. Inner Hexagon Set: The inner hexagon set design allows for easy and efficient tightening and loosening of bolts and nuts. Chrome vanadium steel material, high hardness, high wear resistance. Wrapped in nylon material, good resilience,Anti-fatigue. S2 alloy steel bit, high hardness, large torque, good toughness. : According to the suggested torque, make the screw install to the appropriate torque. Specification:torque 10-20N.m(TL-20) H3,H4,H5,H6,H8/T25 Model:TL-20 Weight:about 132g/box (TL-20) Colour:Blue Material:Steel+Nylon Size:About 178x51mm Package Contents: 1 x Bike Torque Wrench Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.