LEG EXTENSION BENCH ATTACHMENT: The Leg Curl / Extension Attachment connects to the SCS-WB & FIDB benches. Use the attachment to comfortably execute leg curl and extension exercises HEAVY DUTY STEEL: This leg curl bench attachment is made of heavy duty steel and double stitched foam pads BUILDABLE RESISTANCE: 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 DIMENSIONS: 21 in x 20 in x (Max) 32 in INSPIRING FITNESS AT EVERY LEVEL: Our heart and soul are in home and commercial fitness equipment. We design and engineer the best fitness equipment in the game to empower all bodies and inspire fitness across the globe