3 Pack,.148 x 3", Hitch Pin Clip, Fastener Used To Prevent A Wheel Or Other Rotating Part From Sliding Off The Axle Upon Which It Is Riding, Can Be Used As Cotter Pin Substitute, Commonly Used With Clevis Pins & Shafts, Insertion Into A Hole Depends On The Straight Leg Entering The Hole & The Curved Leg Pressing Down Upon OD Of The Shaft, Use When Connections Need To Be Disassembled, Secures On The Outside Of A Shaft Without The Need Of Drilled Holes.