This 550 Piece Assorted Screw Set has been specially designed to be self-tapping, includes handy carrying case for quick and convenient storage. Contains: 4mm x 1/2" (x65) 4mm x 5/8" (x55) 6g x 3/8" (x60) 6g x 1/2" (x65) 6g x 5/8" (x60) 6g x 3/4" (x45)...