Inflight Fitness Leg Extension/Leg Curl W/Shrouds Rollers automatically adjust for greater ankle comfort Lying Leg Curl position assists in protecting your lower back One simple back adjustment makes this machine easy to use 2 x 4 flat oval tubing, dia. 4000 pound cable and 4 pulleys for rugged durability 42"(W) x 65"(L) x 78.25"(H)