WillowWood Alpha Lock 700 AIS480 Alpha Interlock Suspension System. This kit includes the Alpha Lock Body Distal Adapter Assembly Distal Adapter Fabricating Post Metal Forming M6 X 12 Socket and Titanium 4 Hole Pyramidal Instructions. Ideal for prosthetic applications and professional use. Type: Seat Liner & Cover Suitable For: prosthetic Material: Plastic, Steel, Rubber Features: Adjustable Model: Alpha Lock Body Unit Type: Unit Keywords: prosthetic component, orthopedic, suspension system, medical device, limb prosthetic, WillowWood Alpha, disability aid, rehabilitation, mobility, amputation, prosthetic parts, medical equipment