Pair of non-slip aluminium ramps with unique and secure locking system. Internal width 19 cm for 90, 119 and 202 and 17 cm for 199 and 288 cm. Available lengths : - 58 to 90 cm : Internal width : 19 cm. Weight : 2 x 2,8 kg. Resistance : 200 kg. - 75 to 119 cm : Internal width : 19 cm. Weight : 2 x 3,7 kg. Resistance : 200 kg. - 116 to 202 cm : Internal width : 19 cm. Weight : 2 x 5,6 kg. Resistance : 150 kg. - 87 to 199 cm : Internal width : 17 cm. Weight : 2 x 6,5 kg. Resistance : 150 kg. - 116 to 287 cm : Internal width : 17 cm. Weight : 2 x 8,2 kg. Resistance : 125 kg.