- Material: well made aluminium alloy, no nickel plating or rolling
- Size: about 1"/2.54cm,round opening diameter is about 0.2"/ 0.5cm, 550 LB parachute umbrella rope can pass through the middle hole
- Bearing: maximum tensile force is about 15 kg/34 lb
- Suitable for using with key ring, umbrella rope, parachute cord or other EDC items
- Easy to operate with the built-in spring