66300Hair Pin HP-22 Oil Tempered MB spring wire. Clear zinc plated finish. Available in two package types: Bag and Dynapak. Industry #: 22, Wire Diameter: 1/16", Drill Hole Size: 5/64", Minimum Shaft Diameter: 1/4", Maximum Shaft Diameter: 1/2", Overall Length: 1-3/8", Inside Eye Diameter: 1/4", Package Quantity: 25, Alternate Pack: 96300