This plastic dumbbell kit Gorilla Sports is ideal for anyone wishing to begin weight training. It allows you to perform the most common exercises with a curl bar and weights. The plastic coating on the discs prevents scratches on the floor. Thanks to its special shape, the SZ bar or curl bar is ideal for protecting wrists during use. Main features: 2 x 1.25 kg discs. 2 x 2. 5 kg discs. 4 x 5 kg discs. 1 x Curl bar 120 cm. 2 x clamping stars. Grip surface: 20 cm. Bar/weight diameters: 30/31mm. 1.25 Kg disc, diameter 17 cm, width 3 cm. 2.50 Kg disc, 21 cm diameter Width 4 cm. 5 Kg disc, 25 cm diameter, 5 cm wide. Plastic-coated disc weight. No scratches on the floor. Additional information on the SZ bar: The diameter of the curl bar is 30 mm. It is therefore compatible only with weights with a bore diameter of 30/31 mm. Plastic weights Gorilla Sports of 31 mm are included in this kit, as well as 2 clamping stars to secure the weights for safe use. The weights are plastic-coated to protect the floor from scratches.