Knew Concepts Bench Clamp-Magnet Type Busch Burs Square drive shafts and handpieces

Square drive shafts and handpieces are not interchangeable with key tip style shafts or handpieces

while the upper jaw is slightly cut back and hooked so it can grab the prong as it lays against the stone

The 50% width-to-height ratio is maintained consistently across all holes

Increases reach for detailed soldering work and hard-to-access areas

Accommodates benchtops up to 2‑3/4" (70 mm) thick

Knew Concepts Bench Clamp-Magnet Type Busch Burs Square drive shafts and handpiecesThe Knew Concepts Bench Clamp Magnet Type brings a GRS style dovetail mount to virtually any work surface without drilling. The two piece aircraft aluminum clamp assembles in multiple offsets to navigate rails and lips under a benchtop, then locks down solidly to hold a bench pin or any GRS style tool exactly where you need it. A top magnet keeps burrs and files within reach, and the hard anodized upper plate stands up to accidental file contact