48" (1219mm). Milled surfaces with professional, heavy-duty ribbed frame and high accuracy vials. Integral magnets ensure practical, easy use in all environments. Features: Powder-Coated Aluminium Construction; Impact-Absorbing End Caps; 3 Protected Vials. Specifications: Accurate to 0.5mm/m. L x W x D: 1219 x 65 x 28mm. 2 x 90 and 1 x 180 vials.