FIT: Universal. FUNCTION: Adjust to install more oil filter, help to remove your oil filter quickly and easily. ADVANTAGES: Three non-slip arms provide a stronger and more secure grip than conventional ones. MATERIAL: Made of carbon steel, with heat treatment, has high strength & durability. SUPPORT: If you have any questions about our product, please contact us immediately, we can handle all the problems. Universal.(Suitable for a size range of 2.4 to 3.7 (60 to 95 mm). Specification: Adjust to fit most oil filters from 2.4 to 3.7 (60 mm to 95 mm). Use with 3/8 square drive tool. Helps to remove your oil filter quickly and easily. Three non-slip arms provide a stronger and more secure grip than conventional ones. Convenient compact design for easier use in reaching engines. Made of carbon steel, with heat treatment, has great strength and durability.