{"kind":"shaft","data":{"name":"プロギア SOFT STEEL","url":"https://golfscale.jp/shaft/progear/soft-steel","slug":"SSPR040","brand":"プロギア","series":"SOFT STEEL","shaft_type":"純正シャフト","material":"スチール","model_count":2,"models":[{"shaft_id":"SJPR2019200","name":"SOFT STEEL iron","release_year":"2019-09-13","specs":[{"flex":"SR","weight_g":81.0,"torque":2.7,"kick_point":"H","length_inch":[39.0,38.5,38.0,37.5,37.0,36.5,35.75,35.25,35.25]},{"flex":"R","weight_g":76.0,"torque":3.1,"kick_point":"H","length_inch":[39.0,38.5,38.0,37.5,37.0,36.5,35.75,35.25,35.25]}]},{"shaft_id":"SJPR2019202","name":"SOFT STEEL iron (RS RED)","release_year":"2019-04-12","specs":[{"flex":"S","weight_g":80.0,"torque":2.8,"kick_point":"H","length_inch":[38.25,37.75,37.25,36.75,36.25,35.75,35.25,35.25]},{"flex":"SR","weight_g":76.0,"torque":3.2,"kick_point":"H","length_inch":[38.25,37.75,37.25,36.75,36.25,35.75,35.25,35.25]}]}],"sources":[{"url":"https://www.prgr-golf.com/archive_clubs/I-117-2019-new-egg-forged-iron.html","checked_on":"2019-09-13"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-11-13T14:03:40+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/shaft/progear/soft-steel"}}