An assortment of our most common 1/4-20 screws used for Handles, NATOs, Rod Clamps, Shoulder Rigs, and more. 4 of each screw type are included. 1/4-20 x 1/4 socket cap 1/4-20 x 3/8 socket cap 1/4-20 x 3/8 button head 1/4-20 x 1/2 socket cap 1/4-20 x 5/8 button head 1/4-20 x 3/4 socket cap 1/4-20 x 7/8 button head 1/4-20 x 1 socket cap Specifications:Weight: 170g (0.4 lbs)Dimensions: 76.20 x 76.20 x 101.60 mm (3.0 x 3.0 x 4.0 in)