6 Function Hand Control (includes Aligator Clip & Strain Relief). For beds manufactured prior to October 2002. Clips to secure to control box. If needed for manufacture date after October 2002, order item #999-0700-305SP, which utilizes thumb screws to secure to control box. Compatible with LoMax, Alpha, Astrolite, Eze-Lok™, Flex, and ShurLok Beds