Body-Solid Cam Series GCEC340 Leg Ext/CurlThis dual purpose leg unit is super comfortable and easy to use. Seated Leg Extension & Curl CAM Series Leg workouts have never been so quick and efficient. The two most important leg exercises can now be performed from one comfortable position. The fully adjustable 7 gauge steel cam will easily accommodate any user. Just pull the jumbo pop pin and raise the lifting arm to a comfortable starting position, sit down and wrap your legs over the 8" foam