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

The BLK BOX Leg Extension / Curl Attachment transforms your rig or rack into a lower body isolation station. Designed for easy mounting, it 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.

Compatible with the 1, 3 and 5 Series racks.

Sold individually.