• Hollow and durable material with a refined surface and rounded edges. • Perfectly calibrated for a wide variety of applications. • Ideal for the construction of portals and locksmith work. • Suitable for indoor and outdoor use. • Made of high-quality raw steel. • Protected by a solvent-free varnish for a responsible approach. • Dimensions: 20 mm in diameter x 1 mm in thickness x 1 m in length. • Weight: 0.508 kg.