ST1 Sports 4 kg/8.8 lb. Cast Iron Shot Put

The ST1 Sports 4 kg / 8.8 lb. Cast Iron Shot Put is the official-weight implement for women's competition and a workhorse for any throws program. Crafted from symmetrically balanced cast iron, it delivers a smooth, predictable release throw after throw — the consistency athletes need to groove their technique and coaches need to trust in a meet setting. Calibrated to a strict tolerance, this shot meets the specs for high school girls, women's collegiate and professional competition, and junior boys (international). Durable, dependable, and priced for programs stocking a full throws cage, it's built to survive seasons of ring work.

Key features & specs:

• Weight: 4 kg (8.8 lbs), calibrated to a -0 / +0.05 kg tolerance
• Diameter: 4.1"; circumference: 13"
• Solid, symmetrically balanced cast-iron construction
• Smooth surface for a clean, predictable release
• Official weight for women's collegiate/pro and high school girls
• Also used for junior boys (international) competition

Coach's tip: Reserve this shot for track and paved throwing surfaces — it is not designed for use in gravel pits. Care: Wipe down after use, store dry to prevent surface rust, and inspect for chips before each session.