Package Content: 4pcs x Leveling Foot,4pcs x Tube Insert Color: Black,Silver Tone; Material: Plastic,Metal; Net Weight: 121g Total Size Leveling Foot: 40 x 27mm/ 1.57" x 1.06"(D*H); Leveling Foot Thread Dia.: 8mm/ 0.3",Thread Pitch:1.25mm Fit Furniture Leg Tube Size: 30 x 30mm/ 1.2" x 1.2"(L*W) 30 x 30mm plastic plugs are for 30 x 30mm outer diameter steel quare pipes. Because the pipe plug has teeth, suitable for the thickness of the pipe wall is 0.5mm-2mm. If the pipe wall is too thick, you can also trim the teeth by yourself and knock it in.Then you can add the adjustable leveling foot. The Leveling Foot is for office or household light duty furniture with threaded sockets.
Adjustable thread design,and the square tube insert thread is 30mm x 30mm(L x W).
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, restaurant furniture and point of purchase display racks.

Package Content:
4pcs x Leveling Foot
4pcs x Tube Insert