5/16" x 1-1/4" Plain Steel Coiled Spring Pins (2 pcs.)

Diameter: 5/16"
Length: 1-1/4"
Material: Steel
Finish: Plain
Style: Coiled
Type: Tension Pin

Box of 2.

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.