The Proto 680-10-280 is an 18mm snap-off blade utility knife built for demanding cutting tasks in industrial, MRO, and jobsite environments. The wide 18mm blade delivers clean, precise cuts through cardboard, insulation, packaging, and other heavy-duty materials, with easy snap-off segments to always maintain a sharp cutting edge.
Designed for professional use, this knife offers a sturdy, easy-grip handle for comfortable extended use. A reliable tool for tradespeople and maintenance professionals who need dependable cutting performance on the job.