EASY TO REMOVE OIL FILTERS - Apply a 1/2" ratchet wrench on it with the included φ13mm (1/2 in) socket adapter. The three jaws design will make your work much easier.       UNIVERSAL TOOL - It designed to install or remove oil filters on automobiles, cars, or trucks. Its applicable oil filter's diameter ranges from 63mm(2-1/2in) to 102mm(4in).        STURDY MATERIAL - The Cr-V alloy steel adapter is of great hardness. Forged and heat-treated carbon steel jaws provide extra strength and durability.        
SECURE 3-JAW GRIP DESIGN - Self-adjusting three-jaw mechanism tightly grips oil filters without slipping, allowing efficient removal even on stubborn or overtightened filters        
RUST AND CORROSION RESISTANCE - The 3-jaw adjustable oil filter wrench is featured with an overall chrome coating on the surface to prevent rust and corrosion.