The telescoping steel tube construction of the Crain No. 505 makes it one of the most durable knee kickers available. The gripping head includes three nap grips and a pin plate with 16 hardened steel pins. The standard thickness bumper is made from rubber for durability and provides a firm feel and impact that is preferred by many installers.
Double buttons provide four length adjustments (21"-25")
Visual pin depth dial provides nine different depth settings for various carpets
Power rods extending through the pin plate provide support and improved force transfer to the carpet.