Manufactured from Buna-N.

Suitable for personal and professional workshops, garages and plumbing.

Contents: (Approximate Quantity) ID x Thickness; 1/8″ x 1/16″, 3/16″ x 1/16″, 1/4″ x 1/16″, 5/16″ x 1/16″, 3/8″ x 1/16″, 1/2″ x 1/16″ (20 of each), 3/8″ x 3/32″, 7/16″ x 3/32″, 1/2″ x 3/32″, 9/16″ x 3/32″, 5/8″ x 3/32″, 11/16″ x 3/32″, 3/4″ x 3/32″, 13/16″ x 3/32″, 7/8″ x 3/32″ (13 of each), 3/4″ x 1/8″, 13/16″ x 1/8″, 7/8″ x 1/8″, 15/16″ x 1/8″, 1″ x 1/8″, 1-1/16″ x 1/8″, 1-1/8″ x 1/8″, 1-3/16″ x 1/8″, 1-1/4″ x 1/8″, 1-5/16″ x 1/8″, 1-3/8″ x 1/8″, 1-7/16″ x 1/8″, 1-1/2″ x 1/8″, 1-5/8″ x 1/8″, 1-3/4″ x 1/8″, 1-7/8″ x 1/8″, 2″ x 1/8″ (10 of each).

Supplied in partitioned interspaced box.