Description: Wear-resistant: The bolt snap hook is made with 316 stainless steel which is durable and wear-resistant so that it can be used for a long time. Usage: The bolt snap hooks are generally used for BCD and weight belt which is a necessary tool for diving. Rotary: The single tool can be 360°rotated smoothly which is easy to use and can meet almost all need. Tightness: The diving gadgets are equipped with stainless steel spring and features strong springback and can be used multiple times. Convenience: As the diving accessories are of little sizes so you can take a large number of it for spare use and can be stored and taken conveniently. Specification: Material: Stainless Steel. Color: Silver. Size: Small Single Hook: Approx. 90MM/3.54inch. Medium Single Hook: 100MM/3.94inch. Large Single Hook: 110MM/4.33inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Bolt Snap Hook. Package Including .