A sturdy and very useful accessories for your weight training Suitable for all all 2 Olympic weight, which is compatible with all diameter dumbbell/barbell bars. Dimensions: Approx 6.2 x 3 cm (diameter) External and Internal The neck protective padding) is approx. 40 cm long The padded thickness is approx. 1.5 cm and gives you a comfortable and comfortable protection. Protect your neck, neck, shoulders and thighs.