{"kind":"club","data":{"name":"J3 アイアン","url":"https://golfscale.jp/club/iron/metalfactory/j3","slug":"HIMF2019001","brand":"メタルファクトリー","series":"J3","club_type":"アイアン","release_year":"2019-02-01","materials":{"head":"S25C","face":null},"ladies":false,"specs":[{"number":"5","lie_deg":60.5,"head_weight_g":257,"loft_deg":23},{"number":"6","lie_deg":61.0,"head_weight_g":264,"loft_deg":27},{"number":"7","lie_deg":61.5,"head_weight_g":271,"face_progression_mm":3.9,"loft_deg":31},{"number":"8","lie_deg":62.0,"head_weight_g":278,"loft_deg":35},{"number":"9","lie_deg":62.5,"head_weight_g":285,"loft_deg":39},{"number":"PW","lie_deg":63.0,"head_weight_g":292,"loft_deg":43},{"number":"GW","lie_deg":63.5,"head_weight_g":297,"loft_deg":47}],"sources":[{"url":"https://web.archive.org/web/20231004005116/https://www.metal-factory.jp/products/j3/","checked_on":"2019-02-01"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-11-07T20:10:33+00:00","license":{"text":"事実（数値・名称・住所など）は出典 URL つきで引用自由。記事本文・画像は要連絡。","url":"https://golfscale.jp/legal/credits"},"attribution":"出典: ゴルフスケール（golfscale.jp）","source_url":"https://golfscale.jp/club/iron/metalfactory/j3"}}