Power stretcher kit includes: 1 power unit, tail block with wheels, three 3' extension tubes, Quik Loc tube, and a wheeled carrying case. GT power-lok switch handle locks into 17 different stretch/pattern holding positions; unique swivel head for stretching angles or corners, variable pin penetration for different carpet thicknesses, low profile head with sidekicking platform makes it compatible with a knee kicker, new design steel handle on head for better grip and repositioning, standard 18" tail block includes a foam wall protector and wheels for easy repositioning. Stretches up to 23-1/2'. Recommended for rental stores.