Description The CMI Archery 4MM Back Weights are precision-machined stabilizer weights designed to help archers fine-tune bow balance and improve shot stability. Built for compatibility with 4mm mounting systems, these weights allow for customizable weight distribution on rear stabilizers, helping reduce torque and enhance hold at full draw. Constructed from durable, high-quality materials, they provide consistent performance and long-lasting reliability for both target shooters and bowhunters looking to optimize their setup. Specs Weight 10 or 25 gr Diameter 4mm Manufacturer Warranty 90 day for material defects and workmanship