Leg Curl/Extension Attachment

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The BLK BOX Leg Curl / Extension Attachment transforms your rig or rack into a lower body isolation station. Designed for easy mounting, the attachment enables both seated leg exte nsions and prone hamstring curls from a single setup. With padded rollers and smooth movement, it delivers targeted muscle engagement, making it ideal for athletes focused on strength, rehab, or hypertrophy training. Show more