Eliminate the heavy steel thimble on the end of your synthetic winch line and replace it with an ultra light aluminum load spool. Our new load spools are compatible with all Factor 55 shackle mount products and allow "soft eye" winch line attachment eliminating metal contact to the fairlead. For synthetic rope soft loop termination and use with 1/2-inch diameter synthetic rope. Interfaces with Factor 55 shear pins. Lightweight – Precision CNC machined 6000 series Military Grade Aluminum, Type II clear anodized for corrosion protection. Made in the USA. XTV Rope Spool compatible with: ProLink XTV, UltraHook XTV. NOTE: If you currently have a metal thimble on the end of your synthetic rope, rope splicing is required.