Tekz 45245 Large SS Cotter Pin Assortment - 555 Piece features a 555 piece stainless cotter pin assortment (150) 1/16 inch x 1 inch; (150) 3/32 inch x 1 inch; (100) 3/32 inch x 1/-1/2 inch; (75) 1/8 inch x 1/1/4 inch; (50) 1/8 inch x 2 inch; (30) 5/32 inch x 2-1/2 inch. It has stainless steel and has a convenient resalable plastic case.