The Leg Curl / Extension Attachment connects to the SCS-WB & FIDB benches. Use the attachment to comfortably execute leg curl and extension exercises. The built-in weight horn allows you to add weight plates for added resistance. This attachment also ties into the FT2 cable resistance system if purchased with the FT2 Leg Kit option as well. DESIGN: Easy attachment Closed cell foam, double stitched high grade naugahyde pads Heavy duty SHIPPING DIMENSIONS: Length: 27" Width: 20" Height: 6" Weight: 27 lbs. WARRANTY: Residential Warranty: Limited lifetime Light Commercial Warranty: Limited lifetime frame, 10y parts Commercial Warranty: Limited Lifetime frame, 1y parts