Superb set comprises – 1 x 5ft Solid Spinlock Standard Barbell 2 x 18″ Solid Spinlock Standard Dumbbells 6 x Spinlock Collars 4 x 5Kg Tri-Grip Cast Iron Standard Discs 4 x 2.5Kg Tri-Grip Cast Iron Standard Discs 8 x 1.25Kg Tri-Grip Cast Iron Standard Discs The plate-load ends for the 5ft Barbell are 28cm, with a distance between plate loads of 93cm. Our BodyPower cast iron plates are made to an incredibly high standard, with all products undergoing strict quality control. The casting quality, surface treatment and weight tolerance must meet a set standard of quality. Some of the cheaper alternatives that are available on the web are inferior products, which are not constructed to this same standard.