Shrewd RevX Bow Stabilizers 28 in Black. The addition of an Internal Truss Dampening System further dampens vibration improving accuracy. Specifications for Shrewd RevX Bow Stabilizers: Manufacturer: Shrewd Color: Black Fabric/Material: Carbon Weight: 4 oz Diameter: 0.63 in Features of Shrewd Shrewd RevX Stabilizer: Designed for both compound and recurve bows .630" O.D. STS carbon Internally tapered carbon composite maximizes rigidity while minimizing weight Internal Truss Dampening System Weights included Package Contents: Shrewd RevX Bow Stabilizer Shrewd SMSREVX28: RevX Bow Stabilizers 28 in Black