Product Name: Square Tube Insert Top Size: 25 x 25mm / 1.0 inch x 1.0 inch (L x W) Bottom Size: 18 x 18mm / 0.7 inch x 0.7 inch (L x W) Height: 17mm / 0.7 inch Material: Plastic Color: Black Net Weight: 680g Provide a neat and secure finish to the tube ends. The tube inserts can prevent the ingress of dirt and dust. Made of black plastic with ribs to secure. Package Contents: 200 x Square Tube Inserts Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.