ZENY Fitness Preacher/Arm Curl Adjustable Weight Bench Attachment Dumbell Bicep Sturdy and durable,Build and define your body Six-position arm rest adjustment, Extra Wide & Thick Gym Quality Padding 2 thickness cushion, High density, tapered, dual-layer seat pad measures Bar catch for added convenience, Ideal for in-home and light institutional use Six-position adjustment bar rest Pull-pins and knobs for adjustments