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Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum, wood, steel hinges & handles Constructed of 3/4 plywood with aluminum reinforced ring perimeter. Heavy duty steel strap hinges and fold away handles facilitate easy handling and storage.
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368 Indoor Shot/Weight Throw Circle |
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Circles |
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PDF Files |
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AutoCAD Drawings |
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Supply Unit: Four interlocking sections Specification Compliance: IAAF, NCAA, NFHS Material: Pliable PVC plastic Converts discus ring into NCAA/IAAF compliant hammer ring. This innovative conversion circle fits into place instantly. Portable and guaranteed not to crack.
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362 Hammer Conversion Circle |
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Supply Unit: 2 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 1/4 x 3 aluminum strip with welded bracing greatly simplifies in-ground installation. Two piece unit bolts together prior to installation. Hardware included. Stays round during installation.
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366 Aluminum Shot/ Hammer Circle w/ Cross Bracing |
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Supply Unit: 2 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 1/4 x 3 aluminum strip with welded bracing greatly simplifies in-ground installation. Two piece unit bolts together prior to installation. Hardware included. Stays round during installation.
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367 Aluminum Discus Circle w/ Cross Bracing |
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Supply Unit: 4 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 1 x 3/4 x 1/4 angle profile. Designed to be cast into the concrete.
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369 Aluminum Shot/Hammer Circle |
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Supply Unit: 4 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 1 x 3/4 x 1/4 angle profile. Designed to be cast into the concrete. |
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370 Aluminum Discus Circle |
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Supply Unit: 2 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 2 x 2 x 1/4 angle profile. Designed to be cast into the concrete. |
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374 Aluminum 2 Shot/Hammer Circle |
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Supply Unit: 2 sections Specification Compliance: IAAF, NCAA, NFHS Material: Extruded aluminum 2 x 2 x 1/4 angle profile. Designed to be cast into the concrete.
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375 Aluminum 2Discus Circle |
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Supply Unit: 3 sections Specification Compliance: NFHS Material: Powder Coated Steel 1 x 1 1/2 formed flat steel. Designed for mounting to concrete surface.
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371 Powder Coated Steel Discus Circle |
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Supply Unit: 3 sections Specification Compliance: NFHS Material: Extruded Aluminum 1 x 3/4 x 1/4 angle profile. Designed for mounting to concrete surface. Attaches directly to 360 or359 toeboard. |
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372 Aluminum Shot Circle |
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Supply Unit: 2 sections Specification Compliance: NFHS Material: Powder coated steel 1/4 x 1 1/2 formed flat steel. Designed for mounting to concrete surface. Designed to fit 359, 360, 361 and 364 toeboards.
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373 Powder Coated Steel Shot Circle |










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Circle and Toeboard Compatibility Chart |
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Supply Unit: 4 sections Specification Compliance: NFHS Material: Powder coated steel, marine grade plywood, and pressure treated wood. The 3710 Portable Discus Circle Platform consists of a 12' x 12' x 2" wood platform and a 2.5m diameter aluminum circle. The wood platform is made up of 1/2" marine grade plywood, pressure treated 2x4's and pressure treated 2x6's. The wood platform breaks down into four 8'x4' sections and four 8' long 2x6 stringers. The aluminum discus circle consists of 1" x 3/4" x 1/4", 6061-T6 aluminum angle roll bent to a 49 7/32" [125.0cm] radius.
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3710 Portable Discus Circle Platform |


