Innovative Components AL4X2250SQ22 Wire Lock Pin, 1/4" diameter X 2-1/4" grip length , Square Wire, Steel Zinc Yellow (Pack of 10) Sturdy , cost effective retaining pins where quick , install removal or adjustment is required Available in round or square styles Perfect for use in applications where inconsistent mating hole tolerances might be an issue for other pins AL4X2250SQ-22