Pad holder with universal locking collar features built-in teeth on the base to accept 4-1/2" x 10" Genuine Joe cleaning pads (sold separately). Design permits swivel action in all directions so it is excellent for scrubbing hard-to-reach areas. The threaded socket accepts a 15/16" diameter tapered or threaded handle. Built-in teeth allow quick， easy pad replacement. Pad holder is made of durable plastic.