Accessory for 22863X - EXTRUDER HAND HD WITH EASY LOCK (not compatible with 22627H - EXTRUDER HAND STD) Saves space on wall, allows mounting of extruder where wall mounting is not available. Allows mounting of extruder to brent SR-14, SR-20, or SR-36 Slab Roller. Mounts to existing holes used to hold down canvas. Takes advantage of the strength and stability of the slab roller legs and cross-brace. Designed for use with current slab roller ‘H’ leg design. For SR-14, requires use of SR-14 leg kit