The AMS Collapsible Core can be designed to fit any existing extrusion winder! Optional Core Sizes: 6", 8",10", 12" Mechanical assembly to attach a winder spindle Attachment to spindle is via set/screw (grub screws) qty (2) Stainless steel back plate Pull pin and Twist mechanism to retract 2 aluminum arms Arms in extended position are 14" tip to tip, retaining tubing on 8" ID Assembly is for coreless winding, when ready the operator manually cuts and removes the tubing with a pull pin and twisting motion to retract the arms *winder not included Additional 3% Processing Fee added at checkout Please specify at checkout: Existing Shaft size Ship to address UPS or FedEx account number (Items will be shipped Ground unless otherwise specified) Billing zip code associated with shipping account