Toilet Seat Hinge Screw Compatible with TOTO Toilet, Expanding Rubber Bolt Top Nuts Set for Top Mount Toilet Seat Tightening Kit Replacement,Toilet Seat Blind Hole Fixing Kit for TOTO Toilets,2 Pack
Amazon.com: Ginsey Home Solutions One Toilet Seat Tightening Kit, 1, Gray : Tools & Home Improvement
Toilet Seat Repair: Keep Your Seat Tight (DIY) | Family Handyman