Ader Hollow E-z Curl 1" Bar w/ 2 Spring Collars Standard E-Z curl bar designed to develop the upper body. The curl bar isolates & intensifies development of bicep, tricep & forearm muscles while easing discomfort to the elbows & wrists. Hollow 1" steel with chrome plated. w/2 quick collars. Good for 1"-1.125" hole plates Best for rehab or beginners. NO shipping to Alaska, Hawaii, or APO/FPO addresses or PO Boxes