The 105.5 kg Gorilla Sports cast-iron dumbbell kit is ideal for strength-building exercises. This kit includes 1 long bar 170 cm, 1 curl bar 120 cm, 2 short bars 35 cm, 18 cast-iron weights and 8 clamping stars. The curl bar is designed to be used with respect for the handles. The cast-iron weights are extremely sturdy. The clamping stars secure the weights to the bar for safe use. These 30 mm bars are only compatible with 31 mm bore weights. Main features:6 x 1.25 kg discs (width 2.1 cm and diameter 12.5 cm). 6 x 2.5 kg discs (width 2.4 cm and diameter 16 cm). 2 x 5 kg discs (width 2.7 cm and diameter 20.7 cm). 2 x 10 kg discs (width 3.2 cm and diameter 26.8 cm). 2 x 15 kg discs (width 3.8 cm and diameter 31 cm). 1 x Curl bar 120 cm, (8 kg) - Grip surface per side: 18 cm. 1 x long bar 170 cm, (10 kg) - Grip surface per side: 31.1 cm. 2 x short weight bars 35 cm, (2x 2.5 kg) - Grip surface per bar per side: 10.4 cm. 8 x star-shaped clamping rings for weights. Bar diameter 30 mm and weight bore 31 mm. Solid cast-iron discs. Disc color: gray.