Cage Accessories -Screw Nuts Highlights Generic Brand Screw Nuts Description: This will be great news to replace your Send fixtures with compatible seals, more sturdy and easy to install Perfect to get it ready for backup use Material: Metal Color: Silver Gasket Diameter: Approx. 20mm / 0.79inch Gasket Inner Diameter: Approx. 6mm / 0.24inch Screw Length: Approx. 25mm / 0.98inch Screw Diameter: Approx. 5mm / 0.20inch Inner Screw Diameter: Approx. 5mm / 0.20inch Note: Bird Nest House Cages just for reference! Package includes: 2 x Screw Nuts 2 x Screw Nails 2 x Gaskets ( House is not included) Note: Due to the light and screen setting difference, the item's color may be slightly different pictures. Please allow slight difference in different dimension due to manual measurement.