• Fits the special bolt that secures the pulley to the belt tensioner on most 1ZZ and all 2ZZ Toyota engines
• Use this socket if the head of the bolt on the pulley is exposed, and not covered with a plastic cap
• If your 1ZZ pulley has a black plastic cap covering the head of the bolt, then it is a Star bolt
• Needed when replacing the pulley only on stock OEM tensioners, not the full assembly
• Use with 1/2 in. square or 7/8 in. combination wrench, or socket
• Heavy-Duty Cr-V steel, constructed for strength, durability, and long life
• Services 1998 and Up Toyota's including Celica, Corolla, Matrix, and MR2 with 1.8L engines
(California Prop 65)