Oil Filter Wrench 3peaks Cartridge Wrench 3-Jaw 3/8 Drive 3peaks Cartridge Wrench: With its unique three-point support design, you can remove oil filters without slippage. The ring diameter is adjustable, accommodating a wide variety of filters. 3-Jaw 3/8 Drive: Manufacturer unknown. Please refrain from purchasing if you are overly concerned about condition. Returns are not accepted to prevent product substitution.