The Bosch LB10 Positioning Device Kit features the LB10 L-Bracket and the DK10 Ceiling Clip. The Bosch LB10 L-Bracket is designed with enhanced magnets, so that it provides maximum holding power. It features a microfine height-adjustment system on the DK10 for quick horizontal level adjustment, as well as the versatility to work with a variety of levels. The DK10 also allows the flexibility to mount the LB10 to any metal surface with its built in magnets, plus the ability to secure in drywall, with its slot for screws or nails. It also includes raceways for optional straps to mount to poles.