Advanced graphene carbon limbs for the ultimate in precision shooting Features: The Advanced IRR Special Coating: a special coating is applied to control temperature on the surface of the limbs to enable consistent performance during changing weather and environmental conditions Poundage change at full draw: MXT-XT limbs maintain and enhance the key functions of the shot such as arrow speed, grouping, and forgiveness, while maintaining its smooth feel throughout Specifications: Limb Pocket Style: ILF Construction: Foam/Carbon Max Draw Weights: 28lbs to 48lbs in 2lb increments Lengths: short, medium, long