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

Duplex Color Yellow, Grey Precision Screwdriver "PH" Type Item No. HC-720 Material 1.CR-MO 2.Grip:PP+TPR Specification "+":PH00/PH0/PH1 "+"50mm Weight N.W 10.5kgs G.W 11.5kgs Packing 24sets/Box 240sets/carton Volume(Cuft) 2.1'

12 in 1 CR-V Screwdriver Set 7 pcs C-611 7 pcs Screwdriver Set With Circuit T... Square Head Ratcher Screwdriver Set ... Go Through Torque Driver Set 6pcs