Features Suitable for milling machine to improve surface hardness and strength. The spindle holder is made of quality metal material, high hardness, durable and durable. A good replacement part for your old man. C8-ER11A-100L (including nuts) Straight pliers CNC milling lathe collet holder. Excellent workmanship and excellent workmanship. Description: Straight shank type extended handle, handle body applies deep machining longer, solving the need to extend processing depth. You can reduce the use of extension tools, which can reduce costs and improve efficiency. Products of excellent standard, prices are cheaper. Specifications: Condition: 100% brand new Material: Metal Type: C8-ER11A-100L (including nuts) External thread diameter of clamp handle:8mm Designed with caliper Model: ER11 (range of folder knives: 1mm-7mm) Rod length: approx. 12.3cm/4.8" Package weight: 90 g Usage 1: First clip the headdress to the nut, then tighten directly, holding it strong. 2: Straight shank type extended handle, the handle body applies deep processing longer, solving the need to extend processing depth. 3: You can reduce the use of extension tools, which can reduce costs and improve efficiency. 4: The diameter of the extension rod and other parts are precision ground, can eliminate imbalance, increase safety when cutting. Package Included: 1 x Spindle Holder Package List