The pair-sold TWIN cylinders with diameters of 33/55 mm are among the great classics of climbing training. The TWIN offers two different modes: vertical or horizontal for suspension and pulling exercises. They will strengthen your grip and arms. These cylinders made from recycled rubber wood also feature a soft-touch surface, providing comfort and grip that will impress climbers. Depending on your choice, the cylinders are available with a diameter of 33 mm or 55 mm. Dimensions: 19.5 cm (h) x 3.3/5.5 cm (d). Weight: 100/290 g per unit.