Manganese steel composite forging with chrome vanadium steel, heat treated for pressure resistance and shock durability in demanding work conditions. Triangular grinding teeth provide secure engagement with oil filter surfaces; compact footprint fits tight engine bays; a strength chain design minimizes slipping and ensures a firm grip. Ergonomic handle reduces user fatigue; enables single handed chain adjustments; optimized leverage angles improve efficiency when removing stubborn filters. Flexible chain design reduces interruptions by eliminating frequent tool changes; adaptable to oil filter maintenance and pipe work across multiple setups. Use case: automotive engine oil filter replacement in cramped engine bays. Use case: maintenance on heavy equipment or trucks with large filters and restricted access. Use case: pipe work and hydraulic system maintenance requiring stable chain assisted leverage on filter housings and fittings.