Engineered for both compound and recurve. At less than 15MM diameter, Halcyon™ is the smallest diameter carbon stabilizer ever from Easton. Halcyon™ features 360º Windcutter™ technology for the steadiest possible hold. The new Halcyon system features the greatest stiffness-to-diameter performance in the 40-year history of Easton carbon stabilization systems. With a wind-beating 14.7-millimeter diameter, light mass weight and extreme stiffness, Halcyon™ provides an ideal aiming solution for both compound and recurve competitors. Compatible with both 1/4-20 and 5/16-24 weight systems, Halcyon represents the pinnacle of technology for the serious competitor.