225 Piece Black Rubber O-Ring Assortment*Contains 18 of the most popularly used sizes* For use in Plumbing, Hydraulics, Air and Gas Connections* Convenient re-sealable plastic organizer case includedSizes Included:3/32″ x 15/64″ = 10 pcs1/8″ x 1/4″ = 20 pcs5/32″ x 9/32″ = 20 pcs3/16″ x 5/16″ = 20 pcs7/32″ x 11/32″ = 15 pcs1/4″ x 3/8″ = 15 pcs5/16″ x 7/16″ = 15 pcs3/8″ x 1/2″ = 10 pcs5/8″ x 3/4″ = 10 pcs3/8″ x 9/16″ = 10 pcs7/16″ x 5/8″ = 10 pcs1/2″ x 11/16″ = 10 pcs9/16″ x 3/4″ = 10 pcs5/8″ x 13/16″ = 10 pcs11/16″ x 7/8″ = 10 pcs3/4″ x 15/16″ = 10 pcs3/4″ x 1″ = 10 pcs13/16″ x 11/16″ = 10 pcsIllinois Industrial Tool82915