The Curl Bench by Xmark model number XM-4436 is designed to fit your body with multiple height adjustments. This curl bench isolates your bicep muscle so you can achieve perfect form every time. It has ergonomically spaced weight catches and built in wheels that are some of the features that make it a great bench. This curl bench also features extra thick 2 ½” Duracraft foam cushion to help eliminate stress on your elbows and underarms. Build and define your body with Xmark, the mark of excellence.