Assab 3/8" x 6 HSS Square Tool Bit 16688A Though impact sockets look similar

Though impact sockets look similar to normal sockets and are physically interchangeable

M4 x 30mm Set Screw 15 pcs

Made of carbon steel

this tool set is designed to accurately cut and double flare soft copper

bolt capacity : 7/16"max torque (ft-lb) : 75free speed (rpm) : 10

Assab 3/8" x 6 HSS Square Tool Bit 16688A Though impact sockets look similarMade of high cobalt alloy high speed steel, ASSAB 17 is well known worldwide for its excellent cutting properties, wear resistance, toughness and heat resistance. Its hardness has been carefully adjusted to 67 69 Rockwell C to give each ASSAB 17 tool bit optimal properties for its field of applications. High Co based high speed steel. Size; 3 8" Length; 6"