SUPERTORQUE® lobular openings for greater turning power without deforming the fastener. Designed for maximum engagement on 6 point fasteners. Suitable for use with pneumatic and electric impact wrenches. Specially heat treated for impact use to provide long life, safety, and durabilityCountry of Origin: US MS-4-16RC16 Piece 1/2″ Drive Shallow 6 Point Impact Socket Set on Clip Rail Contents Include: Product CodeSize (MM)Product CodeSize (MM)Product CodeSize (MM)Product CodeSize (MM)4M-610104M-614144M-618184M-622224M-611114M-615154M-619194M-623234M-612124M-616164M-620204M-624244M-613134M-617174M-621214M-62727 Features:• SUPERTORQUE® lobular openings for greater turning power without deforming the fastener• Designed for maximum engagement on 6 point fasteners• Suitable for use with pneumatic and electric impact wrenches• Specially heat treated for impact use to provide long life, safety, and durability