1.CR-MO Steel, Heat Treatment make the Tip of Hardness to achieve 54degree HRC 2.Duplex color

Duplex Color Red, Grey Precision Screwdriver "Torex" Type Item No. HC-720 Material 1.CR-MO 2.Grip:PP+TPR Specification Star T4/ T5/ T6/ T7/ T8/ T10/ T15 Weight N.W.9.8kgs G.W.10.8kgs Packing 24sets/Box 240sets/carton Volume(Cuft) 2.1'

6 in 1 Screwdriver Set (4pcs) Duplex Color Yellow, Grey Precision ... Olive Style Ratchet Screwdriver Set... Mini Screwdriver Bit (aperture Box) ... HI-TORQUE Screwdrive Set 21pcs