Easily height ajustament, just rotating the threaded from the top and no need to lift the furniture. Help you adjust and level your table, cabinets, workbench, bookcase and more, compensates for uneven/ irregular floors. L-shaped mounting bracket ensures better support and stabillity. Floor protector, black hard foot coverings to your various floors from scratching. Hex Wrench for Easy Adjustment, 1x hex nut wrench and 1x allen wrench are included to allow micro adjustment on each leg until they are perfectly level to your desired height.Package includes 4x leveling feet, 16x Installation screws , 1x hex nut wrench and 1x allen wrench. Work perfectly for furniture table, cabinets, workbench, shelving units, bookcase and a lot more. These heavy duty leg levelers hold up almost all heavy furniture you may have,without worrying about its quality. Specification: Material: Steel Size Chart: As Picture Show Package Includes: 4 Pieces Leveling Feet 1 Piece Allen Wrench 1 Piece Hex Nuts Wrench Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!