Bosch Power Change Plus Arbour 3/8" 8.7mm Hex Shank | Includes Pilot Drill
Enables better guidance due to pilot drill bit. Reinforced shank provides improved tolerances, creating less play and greater accuracy. Pilot Drill: HSS-G 7.15mm x 85mm. Bosch 2608594253 Power Change Adapter for Holesaws 16mm - 210mm.