The Leveling Foot is for office or household light duty furniture with threaded sockets. Adjustable M8 x 18mm thread design. Plastic round base design will do no harm and scratches to your floors. Easy to install of it and adjustable height as your require. This Furniture Glide Leveler is typically used on conference room tables, heavier desks, restaur Product Name: Leveling Foot + Square Tube Insert Set Leveling Foot Thread Size: 7.5 x 18mm/ 0.3 inch x 0.7 inch (D x L) Base Diameter: 45mm/ 1.8 inch Leveling Foot Height: 40mm/ 1.6 inch Female Thread Dia: M8/ 0.31 inch Square Tube Insert Size: 25mm x 25mm x 18mm/ 1 inch x 1 inch x 0.7 inch(L x W x T) Material: Metal, Plastic Color: Black Weight: 942g Package Contents: 30 x Leveling Foot 30x Square Tube Insert 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.