Features:- Used for checking flatness & straightness of surfaces.All accurate as per IS : 2220 - 1962.Made from high quality tool steel.Hardness 60 + RcPlastic head insulator.Packed in individual wooden box.Code No. Size (mm)UC 2241100 L x15 H x 5 T [ 4" ]UC 2242160 L x 20 H x 8 T [ 6" ]UC 2243300 L x 35 H x 12 T [ 12" ]UC 2244500 L x 50 H x 15 T [ 20" ]UC 2245800 L x 80 H x 20 T [ 32" ]UC 22461000 L x 100 H x 20 T [ 40" ]