Description
- Recommended For: Standard for Middle School Boys and Youth training levels
- Official Specs: Features a 4.0″ diameter and 12.5″ circumference
- Solid Construction: Crafted from symmetrically balanced cast iron for a smooth, predictable release
- Weight Accuracy: Calibrated to 3.6 kg (8 lbs) with a strict -0 / +0.05 kg tolerance
- Usage Note: Designed for track surfaces; not for use in gravel pits
- Recommended For: Standard for Middle School Boys and Youth training levels
- Official Specs: Features a 4.0″ diameter and 12.5″ circumference
- Solid Construction: Crafted from symmetrically balanced cast iron for a smooth, predictable release









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