No noise will be heard while moving or sliding the furniture. [Easy To Install] Pre-drill a hole with a diameter of 0., 5 inch on the furniture leg,then insert the T-nut(tightened with a hammer)with mounting screws, screw in the leg levelers to your desired position to complete the adjustment. it appears the adjustable foot threads into an insert with a 3/8-16 thread, the insert threads into a hole approximately 1/2 in diameter drilled into a wooden... Be cautious when handling the levelers to avoid injury or damage to floors and other surfaces. Product description Sanchamy Heavy Duty Furniture Levelers with T-Nut Kit Material: Metal+Nylon Shaft Length: 1., 77 inches Base Diameter: 1., 4 inches Base Thickness: 0., 5 inches Weight: 40g/pcs, 287g/set Package Includes 4 x Heavy Duty Furniture Levelers 4 x Felt Pads 4 x T-nuts 16 x Screws 1 x Wrench Safety Warning Always ensure that the furniture being leveled does not exceed the maximum weight capacity of 2640LBs. Heavy Duty Leg Levelers 3/8''-16 Thread, 12 Pcs Adjustable For furniture legs with existing 3/8"-16 thread, simply screw in the leg leveler to adjust the height. With this furniture levelers, you can. Heavy Duty Furniture Levelers with T-Nut Kit. 4 x Heavy Duty Furniture Levelers [Support Heavy Furniture] This commercial quality heavy duty furniture leveler comes with strong steel T-nut to lock and stablize the straightener, each can support max 330LBs,a set of 8 supports furniture weight 2640LBs! [Adjustable Leveling Feet] The shaft of this furniture leg is 1., 77 inch long with 3/8'' thread which is universally used in American Made Furniture. If it is a metal leg, you need to weld a 3/8'' threaded insert first, and then install the leveling feet. Levelling Feet Heavy Duty Furniture Leveling Feet M10 Thread Furniture Levelers Adjustable Furniture Feet W/ T-nut Kit Table Levelers For Cabinet Workbench Chair Sofa And More,Large Base Supports 2640LBs-8 Packs Furniture Leg Levelers 8 Pack For furniture legs with existing 3/8''-16 thread, simply screw in the leg leveler to adjust the height.