The Zwickey Delta is available in both a 2 or 4 blade broadhead. Patented laminate structure puts bulk of the steel up-front, where it belongs . Blades are heat treated in a special process, assuring absolute trueness and a superb temper in the high carbon steel. The Delta is 135 grain and 2-9/12″ long by 1-3/8″ wide. Fits 11/32″ arrows. Available in packages of 3 .  Specify 2 or 4 blade.