Polanik Hammer Ring Conversion Circle Steel
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This ring is designed for COMPETITION purposes & is designed to be placed inside of a discus (or shot put) ring. It allows the conversion of a discus (or shot put) ring into a smaller diameter hammer ring. This product is very durable (made of steel) and is manufactured by the reputable brand name company, Polanik.
outside diam. 2500 mm, inside diam. 2135 mm, fiberglass, reduces discus circle diameter to 2135 mm, 4 elements assembled together by means of a single-head feather key.