Wolff Railcut Seam CutterThe Railcut allows for cutting perfectly straight seams with all types of resilient floor coverings and carpet. The seam cut is made using a rail at the ideal angle of 90 to the floor covering. Creates perfect seams on carpet, resilient, rubber, and vinyl floor coverings Height adjustable blade 0. 6" (0 15mm) Practical, comfortable, ergonomic shape 4. 6' (1. 40 m) anti slip rail Railcut can be lengthened with additional extension rails Suitable for