High-grade aluminium alloy for maximum weight advantage whilst maintaining tensile strength of conventional cast iron or steel handles. Knurled thumbwheel adjustment. Corrosion-resistant rippled powder coating. Firm and fast self-clamping secures hold on the smoothest pipework. For use on pipework and fittings. High-grade aluminium alloy for maximum weight advantage whilst maintaining tensile strength of conventional cast iron or steel handles. Knurled thumbwheel adjustment. Corrosion-resistant rippled powder coating. Firm and fast self-clamping secures hold on the smoothest pipework. For use on pipework and fittings.