Our spring hooks are made of high quality aluminum and are lighter in weight, designed to stand up to a lot of wear and tear. The carabiner clip has an overall length of 1.6 inches, an overall width of 1.1 inches, an opening of 0.8 inches and a net weight of 12 grams. The snap hooks are light and convenient, easy to carry, no burden, and hard and unbreakable, suitable for daily and outdoor use. It is a D-shaped snap ring key ring that helps hang items and is designed for key fobs, clips for keys, hooks for bottles, clips for backpacks, hooks for flags, accessories for fishing tools, hooks for dog leashes, connectors for wires, connectors for quick link chains, clips for chains, clips for metal, clips for rope, spring clip fasteners, and more.Features:1. The carabiner keychain clip, made of high quality aluminum alloy, which is hard and solid and more wear resistant.2. Our snap hooks are easy and smooth to open and close with one hand, which allows for quick attachment of keychains, backpacks and ropes.3. Our carabiner clips are versatile and can be used in a wide range of scenarios, no burden to carry, and hardness is not easy to break, can be used in daily and outdoor.Material: AluminumSize(LW): 4 x 3 x 2.2 cm/1.6'' x 1.1'' x 0.8''(L*W*Max. Dia) . Package Content: Set of 5Color: BlackNote:1. Due to the different measure ways or tools, there may exists slight deviation, hope that you don't mind.2. Not suitable for climbing adventures.