• Designed to remove and install frost plugs used in liquid-cooled gas and diesel engines found in automobiles, trucks, SUVs, agricultural equipment, and construction equipment.

• Simply use a hammer with the driver and appropriate disc to install frost plugs ranging from 1 to 2-3/8 in diameter.

Set contains: No. 4603-1 Installer Handle (18 lg.); No. 4604-2 Frost Plug Remover; No. 4604-3 Frost Plug Disc Set (7 each, plus 1 retaining nut).