This drill chuck set is made of copper with excellent workmanship. The collets can go with drill as a mini hand drill for ABS board, aluminium sheet, paperboard drilling. Drill collet only, other accessories in the picture is not included. 0.5-3mm Mini Drill Chuck Specifications: Material: Aluminum alloy body Color: golden Drill collar size: 0.5mm, 1.0mm, 1.5mm, 2.5mm, 3.0mm Hole diameter: 2mm/2.35mm/4.05mm/5.05mm Length: about 27.87mm Diameter: about 9.29mm Quantity: 1 set Package includes: 1 x Axis 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
