BJ4101 Sagittal saw For joint operation prosthesis replacement. portable and light weight variable speed, convenient and safe to use. low-noise. 0-15000 RPM Output > 90W Noise < 70db Can be connect with different size saw blade for hip bone and knee joint The main components are made of high-strength stainless steel. can sterilized under 155 degree except the battery nickel hydride battery BJ4102 Bone drill For trauma operation. porta