Diablo Auger Bit DAG3160 1 1 2 Inch x 17 1 2 Inch (Self Feeding Dura Tip Dual Edge 7 16 Hex Shank Wood Nail Embedded Timber Drilling) Circular Saw Blades these non abrasive brass coils effectively these non abrasive brass coils effectively remove residual solder and oxidation without the need for water Bluetooth Smart Data Connectivity: Syncs seamlessly with the Bosch MeasureOn app to transfer measurements and sketch digital floor plans instantly it integrates directly with high torque impact wrenches and drill drivers to maximize battery runtime and drilling speed during rough in electrical and plumbing installations allow the self feeding Dura Tip™ to pull the bit at its own pace without applying excessive forward body pressure to avoid stalling cordless tools in dense hardwoods