Monorail II Extension Units

Should a bellows extension need to be quickly increased, our plug-in monorail extension inserts directly into the end of the original monorail. A knob on the end of the rail turns to expand a brass finger, ensuring the plug-in monorail is secured in place. Identical to Monorail ll in profile and base Inserts directly into the end of ARCA-SWISS monorail ll Durable black anodized aluminum construction Scaled in millimeters 15 cm length, SKU: 041226 25 cm length, SKU: 041225