Australian Boat Stabilisers are designed to be able to fit all sized trailer boats up to 30'/9m in length. The Stabiliser Kit comes complete and ready to install. Only 1 Stabiliser kit is required for your boat. What is in a full Stabiliser kit? Australian Boat Stabiliser plates with hand spliced Dyneema to quick release 316 grade stainless steel snap shackles and tuned weight system. Adjustable power boom poles with fully welded brackets. Hand Spliced Double Braid Polyester boom pole stays. Base mounting plates with stainless steel spring pins. 316 Grade Stainless Steel Fastening kit to mount the base plates (suitable for most general installation applications on metal and fibreglass vessels) Comprehensive installation guide/user manual in a quick reference paper copy. Fully tracked shipping to your door.