IDS Home 3.5" Rubber Compound Stabilizer Target Hunting Arrow Bow Accessories Part The performance characteristics support a smoother feel, reduce bow jump, and provide a quieter shooting experience Efficient compact design Vibration reducing technology Resonance Chambers absorb noise and vibration Total Size: Approx. 4.33" x 1.57" (11 x 4cm); Screw Inner Diameter: Approx. 0.20" (5mm)