Pair of wall-mounted toilet fixing bolts. The set contains all the necessary accessories to securely fix your toilet to the wall. Installation principle: Before tightening the screw, no installer is required to hold the pan. The fastener can automatically pre-lock and hold the pan to prevent it from falling. Easy to use. Simple installation and effortless operation. Installation method: Insert the metal fixing bolt into the outer casing, and then tighten the screw to fix the metal bolt.