uxcell Plastic Office Square Furniture Chair Legs Tube Insert 50mm x 50mm 50 Pcs Black Color: Black Total Size: 50 x 50 x 16mm/2" x 2" x 0.6"(L*W*H); Material: Plastic Net Weight: 539g; Package Content: 50(+/-2%) x Square Tube Inserts Product Name: Square Tube Inserts; Battery Included: No Hole Size: 40 x 40 mm/1.6" x 1.6"(L*W)