【METAL SCREW】The screw is made of stainless steel with high strength and wear resistance. The screws have a standard cross groove, strong anchoring force and can be anchored in a variety of objects. 【EASY TO USE】Push the toilet seat fasteners into the toilet's installation holes and tighten them. Turn the screw clockwise to increase friction, significantly improve anchoring force and ultimately secure stability. 【RUBBER SLEEVE】The screw sleeve is made of rubber material, is durable and robust and not easy to break. The spherical design effectively prevents the expansion tube from rotating when the screw is tightened. 【SIZE DETAILS】The length of the rubber sleeve is approximately 40 mm/1.57 inches, which fits most standard toilet seats with a top-mounted hinge and replaces broken or old toilet seat hinges. 【WHAT YOU GET】You get 8 expansion screws with rubber sleeves, designed for toilet seat hinges. The screws are embedded in the rubber expansion tube, which is stronger and more durable. Product Description Features: 【WHAT YOU GET】You get 4 expansion screws with rubber sleeves, designed for toilet seat hinges. The screws are embedded in the rubber expansion tube, which is stronger and more durable. 【METAL SCREW】The screw is made of stainless steel, has high strength and wear resistance. The screws have a standard cross groove, strong anchoring force and can be used for a variety of anchored objects. 【RUBBER SLEEVE】The screw sleeve is made of rubber material, is durable and robust and not easy to break. The spherical design effectively prevents the expansion tube from rotating when the screw is tightened. 【EASY TO USE】Push the toilet seat fasteners into the toilet's installation holes and tighten them. Turn the screw clockwise to increase friction, significantly improve anchoring force and finally fix the stability. Specifications: Color: black Material: stainless steel + rubber Package includes: 8 pieces x Toilet seat screw