{"kind":"shaft","data":{"name":"三浦技研 Stock Steel","url":"https://golfscale.jp/shaft/miuragiken/%E4%B8%89%E6%B5%A6%E6%8A%80%E7%A0%94-stock-steel","slug":"SSMG001","brand":"三浦技研","series":"Stock Steel","shaft_type":"純正シャフト","material":"スチール","model_count":1,"models":[{"shaft_id":"SJMG2025001","name":"三浦技研 Stock Steel","release_year":"2025","specs":[{"flex":"n/a","length_inch":[33.0,34.0,35.0]}]}],"sources":[{"url":"https://www.miuragiken.com/","checked_on":"2025-01-01"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-10-31T21:41:42+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/miuragiken/%E4%B8%89%E6%B5%A6%E6%8A%80%E7%A0%94-stock-steel"}}