The SOLE SW111 Olympic standard barbell bar is made with heavy-duty construction, black Zinc coating, and Chrome Grooved sleeve to protect the rusting and wearing. Strong enough to load your most demanding lifts or intensity training. The knurled handle provides moderate friction to improve the griping experience, and also effectively reduce the muscle tension but increase safety during your training. The SOLE SW111 weight bar will fit all your training needs for your daily training challenges.