To remove the existing lever, use a 2mm Hex key to release the grub screw on the faceplate of the Spiderjack.
Slide out the original lever and replace with the Roll Lever. Re-insert the grub screw and tighten to 26-5 - 35.4 inch pounds or 3.5 Nm using the 2mm Hex key provided a dab of Loctite would not go amiss.
Best used with the Dyneema (upgrade) Kit but can be used on all ART Spiderjack models.