Hitch pin clips also known as hairpin cotters or R-clips Commonly used to secure the ends of round shafts on heavy equipment Included variants range .042" thru .177" in loop diameter Included variants range 1" thru 3-1/4" in length Parts feature a stainless steel finish for higher corrosion resistance Stainless steel hitch pin clip variants measuring .093" in loop diameter and 2-5/16" in length 10 pieces per retail package