Mastrant, a maker of synthetic guy ropes and accessories, is sponsoring prizes for the hamfest raffle. Mastrant was established in 2007 by active contestant Martin, OL5Y, along with specialists who won high recognition for the developments of ropes and in cooperation with other experienced hams. The ropes are made using the most advanced synthetic materials which have great features for guying. Mastrant offers more than 400 items and supplies them worldwide.