Red Hound Auto 100 Pieces Carbine Snap Spring Hook M6 6mm x 60 mm 1/4" inch Includes 100 stainless steel snap spring hooks. High quality stainless steel, Highly rust resistant. Size: 6mm thick by 60mm long (about 1/4" thick by 2-3/8" long). Working Load Limit (W.L.L.) is 260 pounds. Stainless steel snap hook.