75 Kramer-Nevins Bone Chisel 75 Kramer-Nevins Bone Chisel CKN75 The 75 Kramer-Nevins Chisel is is designed for contiguous bone graft procedures, compacting bony walls after bone grafting, and is useful for removal of exostosis and tori. Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutronâ„¢ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron