Steambow AR-6 Stinger II Limbs, 150 lbs Compatible with Steambow AR-6 Stinger II Standard and Tactical crossbows Combination fiberglass and carbon construction Designed for hunting applications Requires heavier carbon arrows Includes 1 limb, 1 string (120-150lbs), 1 stringing aid, and 2 polymer limb tips Note: 150 lbs limbs require heavy arrows and are NOT suitable for use with the Compact AR-6 Stinger II crossbow.