The Stealth Commercial Fitness Ionised Black Olympic EZ bar is a heavy duty curl bar engineered using brass bush bearings which not only prolong the life of the bar but are essential to reduce disc friction, allowing for smoother lifts. A lower grade EZ bars will use Allen Key secured end caps, which can quickly (and do frequently) break when used in a commercial gym environment, so the Stealth EZ Bar design offers increased durability from inferior alternatives on the market. The black, ionised finish on the bar improves with age, unlike "decorative" chrome bars, ionised finishes will never peel, flake or chip - which makes for a longer lasting, more aesthetically pleasing bar. The Stealth EZ grip design is engineered to alleviate unnecessary pressure on the wrists while using pronated and supinated grips during bicep and tricep training. The knurled grip is 28.5mm with medium knurling. The Stealth Commercial Fitness Ionised Black Olympic EZ bar is one of 5 Core Primal Strength bars a