CMT 690.546 Profile Knives For Insert Shaper System 1 31 32" x 5 32" (50x4mm) 2Pk JET Designed for speed and strength Designed for speed and strength this set goes well beyond a basic wood cutting assortment making it well suited for renovation and remodeling work where mixed materials are common Alloyed steel construction and precision pairing of both knives support long service life and balanced cutter head operation The 50x4mm knife size and universal compatibility with CMT 692 series cutter heads means you can expand your profile library without investing in new tooling systems these knives slot into equipment you likely already own