BLK BOX Leg Curl/Extension Attachment - Rig & Rack Attachments

Leg Curl/Extension Attachment Enhance your Rig or Rack with Leg Curl/Extension Attachment. Shop durable attachments built for performance, versatility, and longevity at BLK BOX.

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 extensions 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.