Osborne Tufting Clasps #418 deliver high quality silver metal performance in a 500 pack, designed exclusively for use with No. 417 and 417-L tufting needles to secure materials inside cushions with a firm, professional grip that stands up to everyday rigors. These upholstery tufting clasps simplify the process by auto-releasing at depth, letting pros and DIY restorers achieve showroom-worthy tufting on luxury seats or classic interiors without snags or rework. Packed for reliability, they pair perfectly with tufting tools for consistent results in automotive and cushion projects.