All the GRP parts in the OP Series are produced using vacuum infusion and RTM technology to achieve perfect strength and lightness. The OP series offerr wide diameter Hypalon tubes surrounded with heavy duty fenders. OP series hulls are high performance and allow for a wide range of engine options. You may easily lay out an OP boat by using the many different accessories on the list by yourself or with a help of a Northstar team member.