This set of high outer snap rings is designed for use in automotive repair shops and engineering. 300 pcs. the set of outer snap rings consists of 18 commonly used sizes. Locking rings are made of high quality steel. Outer snap rings are delivered neatly sorted in a reusable plastic case to protect against damage and loss. Specifications Material: steel Color black 8 commonly used sizes (inner diameter x quantity): 3 mm x 20 pcs. 4 mm x 10 pcs. 5 mm x 15 pcs. 6 mm x 25 pcs. 8 mm x 15 pcs. 10 mm x 20 pcs. 11 mm x 15 pcs. 12 mm x 15 pcs. 13 mm x 25 pcs. 14 mm x 15 pcs. 16 mm x 20 pcs. 19 mm x 25 pcs. 20 mm x 15 pcs. 22 mm x 20 pcs. 25 mm x 15 pcs. 26 mm x 15 pcs. 28 mm x 10 pcs. 32 mm x 5 pcs.