{"kind":"shaft","data":{"name":"ボビーグレース Bobby Grace Stock Steel","url":"https://golfscale.jp/shaft/bobbygrace/bobby-grace-stock-steel","slug":"SSBO001","brand":"ボビーグレース","series":"Bobby Grace Stock Steel","shaft_type":"純正シャフト","material":"スチール","model_count":1,"models":[{"shaft_id":"SJBO2004001","name":"Bobby Grace Stock Steel","release_year":"2004","specs":[{"flex":"n/a","length_inch":[33.0,34.0,35.0,40.0,41.0,42.0,46.0,47.0,48.0]}]}],"sources":[{"url":"https://web.archive.org/web/20130721031513/http://www.daiya-idea.co.jp/img/golf/bobby/pdf/2012bobby-wh.pdf","checked_on":"2004-01-01"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-11-07T20:44:36+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/bobbygrace/bobby-grace-stock-steel"}}