FAST CUT B, works with MAGNUM biopsy device. The operation of this device is easier and safer biopsy manoeuvre. Key Benefits Echo Marker: Echo marker is provided in the tip that permit correct needles to be deployed under ultrasound guidance. Safe Depth: Easy and safe depth needle placement is possible with centimetre marks. Easy Loading: Removable spacer makes the loading easy. Collection: The sample notch collects the tissues without damage.