Designed to be more convenient and cost-effective, Ultra Series™ Dual-Purpose Shaver Blades can both resect tissue and debride bone. They feature a stronger, more robust inner cutting tip material and patented XtraSharp^™ technology for superior cutting performance, longer region of lubrication, and optimized dimensions. In addition, when powered by the D4000/D4000A Arthro Power Console, a « Turbo » feature enables you to toggle between oscillate and forward modes.