Profile: Profab Unlimited Inc. deals with orthotic devices to maximize patients abilities. We offer prosthesis for every level of amputation that includes partial foot, symes, trans-tibial, trans-femoreal, knee or hip disarticulations and hemipelvectomy. Our orthotics lab is thermoplastic and metal leg bracing, ankle foot knee and hip orthotic systems, Crow & off-loading devices and hip abduction bracing for post-hip surgery. Our Lopro lock utilizes two engagement pawls to engage plunger pin. It incorporates a hard coat aluminum base plate to reduce wear of plunger pin hole and increases strength and optional snap on spacer plate is available, which is used as a drop in replacement for sockets built for conventional locks.