With the Futech H036.FES adapter, you can use your existing Festool 18V batteries for the Futech MC3D 18V max and MC4D 18V max cross-line lasers. This eliminates downtime on the job site due to dead laser batteries and reduces the number of different chargers and batteries in your tool bag. You work flexibly without mains power, which is ideal for various workplaces and ensures quick battery changes for extended use. The adapter weighs 0.06 kg and has dimensions of 26 x 66 x 103 mm.