1. soft close toilet seat hinge
2. possible to use in high/low temperature
3. easy to install
4. quick release system
5. Allowable torque: 4.5N·m
6. Applied torque of the toilet seat: 45Kgf·cm
7. material of the threaded bolts, nuts and square steel washer:201 stainless steel
8. material of the round washers, pad, center fixing plate: plastic