Description: 【Size and Fit】: Each pack contains 12 Furniture Glide Levelings with a coarse thread of 1/4"-20 UNC. It has a height of 1" (25mm), screw length of 0.7" (18mm), base diameter of 1" (25mm), and base thickness of 0.28" (7mm). 【Material and Function】: No more wobbling! Our 1/4" Thread Furniture Feet Levelers are made from steel with black PP non slip bases, allowing you to quickly and easily balance heights while preventing scratches and damage to both your furniture and floors, reducing noise when moving furniture. The adjustable range for these workbench leveling feet is between 1/4" to 3/4", each capable of supporting over 200 pounds. 【Easy Installation】: For existing furniture legs with a thread size of 1/4"-20, simply tighten the leg leveler to adjust the height. If not, drill a hole measuring 5/16", insert a T nut for mounting, then tighten the leveler and adjust it to your desired height. Note that these adjustable feet are recommended for wooden furniture with leg diameters larger than a inch; smaller sizes risk cracking during installation. 【Wide Application】: These adjustable leveling feet can be widely used on indoor/outdoor/patio furniture legs, enabling flexible leveling at uniform heights such as tables, cabinets, stools, dressers etc., making them suitable for various types of flooring including wood floors, tiles or carpets. 【Package List】: Package includes 12 Furniture Levelers. Specification: Total Height: 2.5cm/0.98inch Screw Length: 1.8cm/0.71inch Base Diameter: 2.5cm/0.98inch Base Thickness: 7mm/0.28inch Size Chart: Suitable as replacement feet for most US made furniture. Please check the dimensions carefully to ensure they fit your replacement needs. Package Includes: 12 Furniture Levelers(4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.