ITEM NAME:Metal M8*0.75mm Flexible Shaft Screw Cap Nut Collet For Rotary Grinder Tool BX Features: -100% brand new and high quality. -Made of copper, durable and lasting. -High coaxial, convenient to loading and unloading,easy to operate. -Suitable for the electric mill of M8x0.75 and shaft. -Applicable for Delta. Specifications: -Material : Aluminium alloy -Length : 15.5mm -Thread Size : 8mm -Pitch : 0.75mm Package Included:.1 Piece x Electric Mill Shaft Screw Cap. -Material : Aluminium alloy. -Suitable for the electric mill of M8x0.75 and shaft. -Made of copper, durable and lasting. -Thread Size : 8mm. -Applicable for Delta.