Body: Solid Brass Armor (armoured) made of hardened steel, hardened, copper, nickel-plated and chrome. Closing rod: rotating, cut resistant, diameter 8.5 mm (item no. 4228), diameter 9.5 mm (item no. 4230) made of hardened, hardened, copper-plated and nickel-plated steel. Barrel: 5-piston barrel Keys: nickel-plated brass, Viro top security profile, 2 supplied. Mechanism: positive lock; removable key only with closed padlock; brass pistons; brass counter pistons “mushroom” against the action of the pick; stainless steel locking balls; piston springs in phosphor bronze; stainless steel locking springs.