uxcell Plastic Chair Table Legs Hole End Cap Cover Round Tube Insert 50 x 15mm 30pcs Color: Black; Total Size: 50 x 15mm/1.97" x 0.59" (D*H) Material: Plastic; Net Weight: 230g Package Content: 30 x Round Tube Insert; Product Name: Round Tube Insert Inner Diameter: 41mm/ 1.61" Thread Diameter(Each): 49mm/1.93"