The Bosch GOP 30-28 Mulittool ia a multi-cutter designed for Star Lock Plus blades. The Star Lock Blade system has a 3D interface allowing maximum power transmission and quick job progress. This handy tool is a low weight and with the small grip circumference it is perfect for tight or overhead spaces. · · · Adjustable speed from 8000 – 20,000opm to be used as a precision tool when accuracy is required · · 1.5kg · · Starlock Hex wrench blade change · · Fan-cooled motor · · Metal gearbox