Accurate and reliable, with strong, rare-earth magnets (up to 5 times stronger than standard ferrite magnets) for adhesion to metal objects. Features reinforced aluminium rectangular profile with reinforcing ribs for high stability and secure hold while working and high-quality vials for optimum readability. Built-in slip-stoppers ensure firm grip when marking. Accurate to ± 0.5 mm/m in normal position and ± 0.75 mm/m in reverse. Electrostatic Powder-Coated Thick-Walled Aluminium Section Magnetic Base 1 x 90° & 1 x 180° Vials 1 Year Guarantee Electrostatic Powder-Coated Thick-Walled Aluminium Section Magnetic Base 1 x 90° & 1 x 180° Vials 1 Year Guarantee