Description Romus 91571 T Square Convex Steel Ruler 8CM 4.05M Romus 91571 T Square Convex Steel Ruler 8CM 4.05M. For 90° scribing and cutting. Supplied in plastic ring. Spring loaded stainless steel convex ruler of 4.05 m (width 8 cm) T-square of 60 cm (width 40 x 6 mm).
