5 Drill Collet Provided with it.
Drill Collet Size: 0.5mm,1.0mm,1.5mm,2.5mm,3.0mm
Suitable for 3mm Shaft dia Motor like 555/540/545 etc.
5 X Drill Collect Dia mentioned
1 X Drill Connector Set
1 X L Key
0.5-3 mm Full Drill Set for 555/540 Motor Collect Type
Its best for 3 mm drill Applications Like PCB Drill and mini Drills. Use a 12v 2 amps Adapter for 555 motor. For 545 or 540 use 12v 5 amps Adapter. You need to Add the drill bits to the Drill Collet and the drill collet to the Connector.