Designs for easy use, with simple installation and easily operate Users can easily install the bolts and achieve a secure fixture The fixation features automatic pre-locking mechanism that firmly holds the pan in place from falling down Make of metal, ensuring durability and long terms, providing a stable solution for wall mounted toilets Install ways: Insert the metal fixing bolt into the outer housing, then tighten the screw to fix the metal bolt This pair of fixing bolts kits is specifically designs for wall mounting toilets, ensuring a secure and stable installation, Manufacturer: LiRRvb