DiMarco

Convert any discus ring into an official NCAA/IAAF-size hammer ring. This polyurethane 4 piece insert will not shatter like the fiberglass type. It will never rattle or bend like the aluminum type. Easily portable for indoor use. Meets NCAA specifications. Can be used as a portable shot ring by attaching a toe board.

Ground shipping only.

The easiest turning swivel of any hammer

• Stainless Steel swivel w/precision threads &Aerospace needle bearings
• Swivel w/3/16" keyholes for easy removal with standard spanner wrench
• Self locking Nylock Allen swivel retaining screw
• Very lightweight Titanium alloy handle.
• Gauged to IAAF Specifications
• Used by many top throwers in U.S.A.

Item ------- Weight
4891 ---------- 16 lb - 7.26kg (110mm)
4892 ---------- 4k (95mm)

NCAA:
4k (95-110mm) for Womens
16lb (110-130mm) for Mens (7.26kg)

Perfect for Resistance & Flexibility Drills

• Simulate throwing motion for the Javelin, Discus & other Throwing events.
• 3 different strength cords for variable resistance.
• Both 600 & 800 gm models
• Comes with real Cotton Javelin Cord Grip.