ITEM NAME:8 Pcs 0.5-3mm Small Electric Drill Bit Collet Mini Twist Drill Tool Chuck Kit Description Specification: Brand new Material: Copper Color: Golden Adapter Drill Size: approx. 0.5mm - 3.0mm Size: as shown in picture Easy to use. Can go with twist drill as a mini hand drill for ABS board, aluminium shet, paperboard drilling. Durable in use. Package included: 1 x Axis 1 x Copper Cap 1 x Wrench 1 x 0.5mm Drill Collet 1 x 1.0mm Drill Collet 1 x 1.5mm Drill Collet 1 x 2.5mm Drill Collet 1 x 3.0mm Drill Collet Note: Please allow 1-3mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..1 x 0.5mm Drill Collet. 1 x 1.0mm Drill Collet. 1 x 1.5mm Drill Collet. 1 x 2.5mm Drill Collet. 1 x 3.0mm Drill Collet. Can go with twist drill as a mini hand drill for ABS board, aluminium shet, paperboard drilling.