This is a metric external retaining ring (DIN# 471) assortment for the following shaft sizes: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 and 18mm. It contains 280 pieces and it comes in a steel 10" x 13" box that is clearly labled and has a removeable plastic tray, hinged lid and latch. This assortment would be useful in automotive repair, industrial maintenance, hobbies and more. 
Part# SRE-SM 
 
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