Material and durability: Made from carbon steel and drop forged for hardness and strength. The corrosion resistant black finish extends service life. Quick and secure adjustment: 3position adjustable jaw clamps oil filters from 3 to 6 inches in diameter. The pushbutton lowers the jaw for faster setup, reducing slipping and trouble compared with traditional designs. Precise dimensions: Overall length 12 inches, handle length 6 inches. Jaw length 1.5 inches, joint thickness 0.5 inch. Performance: Provides strong leverage and reliable grip with durable construction, suitable for use in tight engine bays and workshop environments. Use scenarios: Removing oil filters on most cars, light trucks, and SUVs with 36 inch diameter filters. Servicing lawnmowers and small engines that use standard size oil filters within the 36 inch range. General maintenance in a home garage or where space is limited and a secure, fastgrip wrench is beneficial.