5/16" x 3/4" Plain Steel Coiled Spring Pins (3 pcs.)

Diameter: 5/16"
Length: 3/4"
Material: Steel
Finish: Plain
Style: Coiled
Type: Tension Pin

Box of 3.

A tension pin is similar to a cotter pin, but it has very little play and is better able to withstand side loads and rotational friction.