These stanley fatmaxreg heavy duty box levels are machine milled on two sides to ensure accuracy, and have improved vial views for ease of use'. '.strtoupper('t')he large centre vial is bridged to allow a continuous line to be marked on the work piece'. '.strtoupper('t')he dual bi material grips are ideal for carrying and vertical levelling, and the levels have shock absorbing end caps for longer life'. '.strtoupper('f')axmax levels have an accuracy of plusmn0.5mm m on one face and plusmn 0.7mm m on the other, which is covered under a 5 year accuracy guarantee'. '.strtoupper('t')he levels in this range are 6mm taller than most competitors, 6 9mm wider than other levels and are heaviest in their class, providing ultimate strength and durability.the stanley sta 1 43 524 fatmaxreg level is 600mm 24in in length.additional informationbull length cm 60bull no'. '.strtoupper('v')ials 3bull level type box ribbedbull accuracy mm m ± 0.5mm m