Gorilla Sports clamping stars are suitable for bars with a diameter of 30/31 mm only. They hold weights on the bar for safe training. Chrome-plated, they are quick and easy to use. Thanks to their rounded edges, they loosen easily even after intensive training. Main features:Compatible with Gorilla Sports chrome bars from 30/31 mm : Short bar (35cm and 42cm) - Curl bar (120cm) - Super curl bar (120cm) - Long bar (150cm and 170cm) - Triceps bar - Diagonal triceps bar. Pair weight: approx. 0.4kg. Rubber sealing ring. Made from high-quality chrome. For safe dumbbell use.