Specmar inc (previously specialty marine contractors) is an aluminum boat design, and lofting company. we have a large product line including aluminum drift boats, aluminum landing craft, aluminum monohull boats, aluminum catamarans, aluminum special purpose boats, and aluminum ribs (rigid inflatable boat).. Premium cnc boat kits in aluminum alloy and steel welcome to metal boat kits! we offer premium quality stock boat kits in aluminum alloy and steel. in 1993 we were one of the first companies to offer cnc kits publicly and in doing so we helped establish an industry.. Aluminum plate boat plans . if you have any questions or good suggestions on our products and site, or if you want to know more information about our products, please write them and send to us, we will contact you within one business day..