Multi-Function Universal Three-Jaw Drill Chuck $ 4.26 Model: Multifunctional chuck (long tail M8x0.75mm), multifunctional chuck (short tail M8x0.75mm), multifunctional chuck (long tail M7x0.75mm), multifunctional chuck (short tail M7x0.75mm) Type: Drill Material: molybdenum steel Specifications: Multi-function chuck (long tail M8x0.75mm) Clamping range: 0-3.5