81 19 250 V02 2 pairs of plastic jaws for 81 11 250 / 81 13 250. For siphons, oil filters, plastic pipes and connectors up to 80 mm diameter. Fine adjustment for ideal adjustment to diverse diameters. Robust, heavy duty. Ideal for tightening and loosening siphon screw connections, plastic pipe fittings and round union nuts. For connectors and couplings with screw connection, such as Cannon circular connectors. For gentle loosening of hoses on nozzles and filter cartridges. 25-way adjustable box joint. Ergonomic handle geometry.