Features: Engineered with premium 304 stainless steel and V notches nut, this speargun rubber latex band delivers unmatched durability and corrosions resistance for marine environment. Light weight yet European styles construction combines a sleek aesthetic with practical strength, features plastic nut that prevent saltwater degradation. Ideal for spearfishing enthusiasts, professional diver, and underwater hunters puruses reliability equipment for extended ocean use. Perfect for securing speargun shafts during freediving expeditions, reefs hunting, or depth sea fishing in challenging saltwater conditions. Includes user friendly installation with 7mm key compatibility, allowing precise adjustment of the speargun rubber latex band positioning for performances. Specifications: Color:Three Elections Nut outer diameter approximately: 1.8cm/0.71in Inner diameter approximately: 1.50cm/0.59in Component:stainless steel rod Package Includes: 1pc V Band Nut note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.