675 Piece, Kreg Pocket Screw Kit, 5 Self-Tapping Screw Sizes For Kreg Joinery In A Durable Easy To Carry Case, Includes: 150 Each Sps-F1, 1", #6 Fine Thread, 150 Each Sps-C1, 1", #7 Coarse Thread, 150 Each Sml-F125, 1-1/4", #7 Fine Thread, 150 Each Sml-C125, 1-1/4", #8 Coarse Thread & 75 Each Sml-C250b, 2-1/2", #8 Coarse Thread, For Kreg Jig Pocket Hole System.