These bolt snap hooks are manufactured from top rate nickel plated steel that's sturdy, weatherproof and designed to carry up challenging in any application.Built-in stainless-steel spring, easy to open and close, no rust. 10,000 instances spring rebound check to ensure durability and smoothly.Double-ended design makes bolt snaps extra versatile. Great for puppy collars, putting feeding buckets, belt loop, key chain, boating, industry, farm, gate latch, rope, health club equickment,bucket hanger, hanging feed tubs, hay bags, outdoor.Material: MetalColor:As proven within the figureSize:As shown in the figurePacking includes: 1Pcs