General description The 3Pc DC 12V 500mA Micro Motor with 6Pcs 0.5-3.2mm Electric Drill Clamp PCB Tool Set is a versatile and practical solution for various drilling tasks. This set includes mini hand drills suitable for materials such as ABS board, aluminum sheet, and cardboard. Technical specifications Material: Metal Motor Diameter: 28.6mm (1.13 inch) Drill Collet Sizes: 0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.2mm Power: 12V, 500mA Package Included 3 x 12V 500mA Motors 3 x Axles 3 x 0.5mm Drill Collets 3 x 1.0mm Drill Collets 3 x 1.5mm Drill Collets 3 x 2.0mm Drill Collets 3 x 2.5mm Drill Collets 3 x 3.2mm Drill Collets Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.