• Chrome Vanadium quality steel
• Bits made of S2 quality steel
• Power torque +15%
• High resistance toolbox 5 star sockets E4-E8; 6 Star sockets E10-E20, 1 coupler ¼'' DR. x ¼'' Hex; 1 coupler 3/8'' x 10 mm Hex; 1 coupler ½'' x 14 mm hex, 13 L-type star key wrench T9-T70, 4 star bits ¼'' 30 mm Т9-Т20, 6 star bits ¼'' 10-30 mm Т25-Т50, 2 star bits ¼'' 14-75 mm Т60,Т70, 1 star bit ¼'' 14-120 mm Т55