These solid 36 cm RDM and 42 cm SDM extensions are available for all EPX and EPX.GROM masts. Its well-known pin adjustment system enables reliable height adjustment and secure locking. Thanks to RAPID RELEASE with its usefully placed cleat, when de-rigging, only one foot needs to be placed on the extension, after which the rope is released from the cleat with a single jerk motion – completely releasing the luff in one easy motion.