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

Duplex Color Navy, Grey Precision Screwdriver "Slotted" Type Item No. HC-720 Material 1.CR-MO 2.Grip:PP+TPR Specification "-":1.0mm/ 1.2mm/ 1.5mm/ 2.0mm/ 2.5mm/ 3.0mm/ 3.5mm/ 4.0mm Weight N.W.10.5kgs G.W.11.5kgs Packing 24sets/Box 240sets/carton Volume(Cuft) 2.1'

6 in 1 Screwdriver Set (4pcs) T Style Socket & Bit Set (Japanese T... Ratchet Handle & Stubby Bit / Socket... HI-TORQUE Screwdrive Set 21pcs L Type Driver & Socket Set 14pcs