Designed to make camp life easier, CamRing™ Cord Tensioners have an ultralight ring design that securely tensions your cord yet adjusts easily, eliminating the hassle of tying and retying knots in cold or wet weather. Features: Simple and easy to use, even with gloves Perform best on 3-5 mm cord Lock securely Weight: 0.01 kg / 0.27 oz Length: 4 cm / 1.4 in MSR Camring Cord Tensioners