Contains 5 popular self-tapping screws in a durable, easy-to-carry case. 1" fine thread pan head x 150, 1" coarse thread pan head x 150, 1 1/4" fine thread Maxi-Loc x 150, 1 1/4" coarse thread Maxi-Loc x 150, 2 1/2" coarse thread Maxi-Loc (Blue-Kote) x 75.