Includes one each Aluminum rods 20,13& 6 mm, one each Stainless Steel rods 5 & 3mm. 4″x4″ (10cm x 10cm) CNC Machined Rolling Base, high grade aluminum hard anodized in a clear finish.Machined channels are perfect for your rolling needs! Soft rolling deck enables ‘true’ cylinders to be rolled. Beams to form tie downs, hinges, tool clamps & brackets. Bending Comb for matched grab handles every time. Instruction tips for getting the most from all the features.