Spring Pin, System of Measurement Metric, Spring Pin Type Slotted, Basic Material Steel, Material Grade Spring Steel, Fastener Finish Plain, Outside Dia. 12 mm, Fastener Length 80 mm, Standards D1481, ISO8752, Nominal Diameter 12 mm, Chamfer Diameter 7.5 mm, Wall Thickness 2.5 mm, Chamfer Length (Min.) 2 mm, Actual Dia. (Min.-Max) 12.50-12.80mm, Rockwell Hardness 420-560 HV30, Package Quantity 10