Crain 445 knee kicker with standard pad complete with recessed trigger for length adjustment from 17 3/4" to 21 3/4". The pin/head teeth are fully adjustable through nine depth positions to assist with most carpet pile heights. Power rods installed through the pin plate provide adequate support and improved force transfer into the floor coverings. The gripping head includes three nap grips complete with 16 hardened steel pins and a cover plate whilst in storage. The Crain 445 comes complete with a standard thickness bumper for durability and provides the user with a firm feel whilst in use. The bumper, grips and steel plate are all replaceable parts.