The Northland Speed Clevis is constructed of strong, durable stainless steel wire. This clevis makes it quick and simple to change blades without the need for re-tying. With the Northland Speed Clevis, your blades will spin with a more natural, slower action for the best presentation.Specifications and Features: Size 1 - Approximately 3/16 in.Size 2 - Approximately 1/4 in.Constructed of stainless steel wireQuantity per pack: 10