uxcell 8mm x 20mm Thread Adjustable Furniture Glide Leveling Feet 20 Pcs Color: Black,Silver Tone; Total Size: 31 x 29mm/1.2" x 1.1"(L*Max.D) Material: Plastic,Metal; Net Weight: 232g Package Content: 20 x Furniture Glide Leveling Feet; Product Name: Furniture Glide Leveling Feet Battery Included: No; Thread Size: M8 x 20mm/0.3" x 0.8"(D*L) Base Size: 29 x 10mm/1.1" x 0.4"(D*T); Type: Screw On