Specification Brand : Fly High BulletPoint1 : Attaches to tubular 1-7/8" & 2" diameter towers only. BulletPoint2 : Tower must have a tubular section to attach the clamp and (2) support arms. Support arms MUST be used! BulletPoint3 : Boom attaches to the tower, keeping it completely outside of the boat. BulletPoint4 : Boom extension (B110) and height adjuster (B107) cannot be used with tower booms. BulletPoint5 : Handle (B111) can be added if additional length is needed or for better grip. ExternallyAssignedProductIdentifier1 : 0817177021598 ExternallyAssignedProductIdentifier2 : 817177021598 ItemName : Fly High Barefoot International Tower Boom - Fits 1-7/8" & 2" Diameter Towers ItemTypeKeyword : forklift-booms Manufacturer : Fly High ModelNumber : W206 PartNumber : W206 ProductDescription : BI Tower Boom - The only boom that was designed to be mounted on any tubular tower. This boom is rock solid and can be stowed by pulling three quick release pins and detaching the cable system from the bow. It can also be used to train new wakeboarders at slower speeds while an instructor directs them on what to do. *TIP* Keep a small tube of clear silicone grease in the boat and apply a light coat to the hitch pins on a regular basis. This will help with installation and removal of the pins. ProductSiteLaunchDate : 2018-09-18T01:06:16.081Z Size : 1-7/8" & 2" Diameter Towers SupplierDeclaredDgHzRegulation : not_applicable