MULTIPLE USAGE: This Third hand support system is well made and handy for lots of woodworking projects such as a cabinet jack, drywall jack, crown moldings, range hood, ratcheting cargo bar support pole, and so on DURABLE EXTENSION POLE: All the XINQIAO support poles are GS-certified. Weight capacity: 154 lb (70 kg). The pole jack is made of strong metal and the handle is cast in premium aluminum. Non-slip TPR bases, leaving no scratches, are best for various working conditions ADJUSTABLE LABOR SAVING ARM: The adjustable height and textured rubber face help hold the rod tight for various purposes. We have 2 lengths available. 1, Medium Rod: 23.6 in to 45.3 in; 2, Long Rod: 49.2 in to 114.2 in. Sold in 1 PC, 2 PC, and 4 PC set. Please select the desired length and set ADDITIONAL FEATURES: Spring-Loaded Pins that pop out into holes in the outer pole can lock the height. White Calibration Line helps realign the pins with the holes if the rod is rotated. Handle is used for minute adjustment. Safety Lock makes it holding safely after extending the third hand tool. The 2-PC and 4-PC sets come with a storage bag FREE YOUR HANDS: Quick support pole secures building materials to keep your hands free by offering you a third hand. If you ever wished you had an extra hand when you did cabinet installing work alone, this cabinet installation tools will help you a lot USAGE XINQIAO Third hand tools have helped millions of people since 1995 by offering a third hand for a variety of jacking, lifting, and holding jobs. It can serve as a Third hand support system, a cabinet jack or cabinet lift, or even a ratcheting cargo bar to keep goods in position. Soft TPR pads ensure that no marks left after the supporting work. INSTRUCTION Pivot hinge base. Please tighten the screws to secure the base if there is a need. Squeezing the handle causes the tool to stretch, lift, or spread whatever you have the pads between. There is a release lever to relieve pressure or to collapse it back down. Great for lifting cabinets into place, or putting steady pressure on something while gluing sets, or wherever you want a more or less infinitely adjustable holder and spreader. SPECIFICATION Medium Rod: 23.6 in-45.3 in Long Rod: 49.2 in-114.2 in Sold in 1 PC/2 PC/4 PC each size. The 4 PC set comes with a storage bag TPR-Steel Base Size: 3 inx4 in Weight Capacity: 154 LB (70 KG) Each