Bosch DQCE1012 12" Daredevil QC Spade Bit Extension Combo Kits It also features a dust-collection

It also features a dust-collection port at the fence and one at the cabinet

This measure has addition/subtraction functionality

•  Type: Basic for Metal

so the user can add or subtract measurements

Bosch DQCE1012 12" Daredevil QC Spade Bit Extension Combo Kits It also features a dust-collectionINCLUDES: (1) Spade Bit Extension FEATURES: EXTEND REACH UP TO 12 INCHES so you can bore deeper holes or fit into tight crevices NO TOOL REQUIRED: Change bits without a tool. Simply pull back the collar to eject and replace bits to switch jobs quickly FITS 1 4" HEX SHANKS for a variety of spade bits HARDENED STEEL provides superior durability for heavy duty applications POWER GROOVE: The geometry of the shaft holds up to high torque applications,