Tekz 45212 Snap Ring Assortment - 300 Piece contains: internal 7/16 inch 15 pieces; 1/2 inch 15 pieces; 9/16 inch pieces; 5/8 inch 15pcs 3/4 inch 15 pieces; 13/16 inch 15pcs 1/4 inch 20 pieces; 5/16 inch 20 pieces; 3/8 inch 20 pieces; 7/16 inch 20 pieces; 1/2 inch 20 pieces; 9/16 inch 20 pieces; 5/8 inch 20 pieces; 3/4 inch 20 pieces; 13/16 inch 15 pieces; 7/8 inch 15 pieces; 1 inch 15 pieces; 1-1/4 inch 5 pieces. It has a convenient re-sealable plastic case.