Mini Small 2.3MM Electric Motor Shaft Clamp Fixture Chuck for 0.7MM-3.2MM drillThe motor shaft can be equipped with 2.3MM， such as 380， 365 models of motor， and the chuck can clip 1.9-2.3MM drill.Specifications :Material : BrassDiameter : 8mm;Length : 25mmShaft Ciameter 2.3mm4 size for choose :Model Shaft diameter Clip drill diameter range2.3-1.2 2.3MM 0.7MM-1.2MM2.3-1.5 2.3MM 1.0MM-1.5MM2.3-2.5 2.3MM 1.6MM-2.3MM2.3-3.17 2.3MM 2.5MM-3.2MM Package includes : 4 x 2.3mm drill chuck