ATROPOS-106 Black Archery Hunting Compound Bow Right & Left Hand Bow, 40-60lbs Draw Weight PROFESSIONAL COMPOUND BOW PARAMETER: RH&LH HANDED BOW, IBO Rating up to 270-320 fps, Axle - to -Axle: 40", Draw weight: 40-60lbs, Draw Lengths: 25"-30.5", Brace Height: 7.2", Let-off: 75%, Single bow Weight: 4.5lbs MATERIAL: CNC Machined Cams; Light-weighted magnesium riser with anti-slippery grip; Stainless steel cable guard LONG LIFESPAN: Double fibreglass limbs ensures longtime lifespan HIGH INTENSITY: PE fiber string has high intensity as 20 times as steel wire ; Smooth cam can be easily adjusted with the length of 23-30inches and 12 kinds of draw lengths INCLUDED OPTIONS: 1 x bow, 1 x D-loop and 1 x Peep sight and 2 x dampers