Our Oscillating Autopsy Saw is a specialized tool designed for rugged use. It is lightweight, providing precisely what is needed for autopsy room i.e., power, speed, quiet operation, durability, ease of operation and better balance of weight and power. The balance helps decrease user fatigue. A new hexagonal drive shaft has been utilized to provide positive drive and prolong blade life. When necessary, the blade may be changed quickly and easily. BENEFITS Runs Cooler, Longer. Reduces Operator Fatigue Improves Rapport with the Operator Longer lasting and more comfortable to use Reduced Heat and Noise More Durable, Prevents Accidental Start-ups Reduced Down-Time Positive up to 6-way Attachment No Extra Wear on Motor Shaft NO ARBOR REQUIRED : Money saved on arbors may very well pay for the saw