ITEM NAME:10 Pieces Mini Drill Brass Collet Chuck for Rotary Tool 0.5-3.2mm A1B1 10 Pieces Mini Drill Brass Collet Chuck for Rotary Tool 0.5-3.2mm A1B1 High quality brass collets to fit , other rotary tools, pin vises Compatible with most rotary tools used in hardware, hobby, home etc Clamping Diameter: 0.5mm/0.8mm/1.0mm/1.2mm/1.5mm/1.8mm/2.0mm/2.4mm/3.0mm/3.2mm Shank Dia :5mm Overall Length :17mm Material : Brass Color: Golden Measurement error Rang: less than equal 0.05mm Included in the Package: 1sets 10Pcs Brass Collet (size including 0.5mm/0.8mm/1.0mm/1.2mm/1.5mm/1.8mm/2.0mm/2.4mm/3.0mm/3.2mm and 1pc one size) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.