[Heavy Duty Leveling Feet]-These are heavy duty electroplated steel furniture legs that help you adjust and level tables, cabinets, workbenches, shelving units, bookcases and more. [Adjustable Leveling Feet] This furniture leg has a 1.77-inch shaft length with 3/8-inch threads, commonly used in American-made furniture. It features a 1-3/8 inch diameter and 1/2 inch thick metal base that supports a fully adjustable height from 3/4 inch to 1-3/4 inch, providing maximum support and adjustability based on your needs. [PROTECT YOUR FLOOR] In addition to stopping shaking and reducing vibration on uneven floors, these heavy-duty furniture leveling feet also feature base felt pads to avoid direct contact between furniture legs and the ground, protecting floors, tiles, or carpets from Damaged or scratched. No noise will be heard when moving or sliding furniture. [Easy to Install] Pre-drill a 0.5-inch diameter hole on the furniture leg, then insert the T-nut (tighten with a hammer) with the mounting screw, screw the leg leveler to the desired position to complete the adjustment if it is a metal foot , you need to weld a 3/8 inch threaded insert first, and then install the leveling feet. For existing 3/8 inch-16 threaded furniture legs, simply screw in the leg levelers to adjust the height. Material: steel + nylon Color as shown Package Contents: 8 x levelers 8 x felt pads 8 x T-nuts 24 x screws 1 x small wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.