Helpful format lines on the base with mm division along the cutting edge make aligning the material to be cut even easier Two scale bars with mm scale for an exact 90° cut Adjustable backstop for quickly finding the right formatcan be used on both scale bars Stable metal base with non-slip rubber feet to keep the rotary trimmer securely in place Rotary blade in closed plastic head Automatic clamping on the cutting line to quickly fix in place the material to be cut Cutting head easy to change Convenient rotary trimmer for professional use Self-sharpening steel rotary blade enclosed in safety cutting head, ground and hardened Ground lower blade of hardened steel Dahle 446 A1 professional rotary trimmer. Cuts up to 25 sheets of paper up to 920mm in length. Features self sharpening blade that cuts in either direction paper clamp metric and imperial measurements and sturdy metal base. Features Non-slip feet Yes Product colour Blue, White Material Metal Format A1 Number of scale bars 2 B