Preset with 18 and 22mm (totals = 55mm & 59mm from stop to indication hole centre) for setting the backplates on concealed style Euro hinges on inset doors of the corresponding thickness. 32mm centres. Also now includes standard cup hole centre marking at 22.5mm and standard overlay door marking at 37mm. Can also function as a saddle square!
Dimensions – 50 x 75 x 2 and 6mm H