Ergonomic handle for a comfortable grip and easy operation, reducing hand fatigue during tasks. Durable construction with iron and PVC components, plus plastic parts for lightweight handling and corrosion resistance. Compact design that stores easily in a toolbox or drawer. Versatile and compatible: works with universal rubber strap wrenches and ratchet systems; functions as a strap wrench and is suitable for oil filter wrench tasks, filter bottle replacement, chlorinator wrench work, and RV sewer wrench tasks. Use scenarios - Auto maintenance: replace oil filters and service small filter housings with reliable leverage. - Home water filtration: service pre-filter and membrane housings for better flow and filtration. - RV and pool upkeep: handle chlorinator components and RV sewer fittings with a compact, all-in-one tool.