Cutting masking tape with a hobby knife or scissors seems like it should be fine. The problem is that a dragged blade or a scissor cut compresses the tape edge and lifts the adhesive, which means paint bleeds under it. The GH-SMN-125 solves that with a dedicated nipper blade designed specifically for tape. It cuts with a clean, perpendicular snap rather than a drag, leaving a precise edge that stays flat against the surface.

The effective blade length is 12mm, which covers most masking tape widths you'd use in a model build. When it cuts cleanly you hear a distinct snap, so you know immediately if the cut went through properly. It also works on guide tape and double-sided tape.

One thing worth knowing: this tool is for tape only. Don't use it on plastic, metal, or anything else — it's not built for it and will not cut correctly.

Specs:

• Total length: 125mm
• Blade length: 13mm / Effective cutting length: 12mm
• Weight: 60g
• Material: Carbon steel (Kobe Steel, Ltd.)
• Cutting capacity: Masking tape, guide tape, double-sided tape up to 12mm width
• Includes protective cap
• Made in Japan