The interior is engineered to be gentle on your fixtures, protecting your expensive faucets from scratches while providing a secure grip None drilling, None adhesives, and None tools required! Simply slide the locking rod over your faucet handles for quickly protections This reduces water waste and hazards, perfect for families, kindergartens, and bathrooms needing extra security Make of ABS, this faucet handle great impacts resistance, ensuring stable in humid environments for home and offices use Designed to fit most standard centerset and widespread double handle faucets, Manufacturer: Oxxggkao