Grip Screw Assortment, Specifications: Hex Head, Steel, Black, Number of Pieces: 160, Includes: 5/32 x 3/16 in 32 Thread, 3/8 x 3/8 in 24 Thread, 5/16 x 3/8 in 18 Thread, 5/16 x 3/8 in 24 Fine Thread, 3/8 x 3/8 in 16 Thread, 5/16 x 1/2 in 18 Thread, 1/8 x 3/16 in 40 Thread, 3/16 x 1/4 in 24 Thread, 1/4 x 1/4 in 20 Thread, 1/4 x 1/4 in 28 Thread, 3/8 x 1/2 in 16 Thread, 1/4 x 3/8 in 20 Thread Hex Head Screws