Pro-Style Dumbbells come in either Virgin Rubber or Cast Iron with a Gray Hammertone finish. Featuring a 32mm, HARD Chrome Handle with a Medium Knurl. Assembled with Course Thread, Alloy Bolts and secured with locking compound. Cemco uses impact wrenches for assembly and are then torqued to 130 p.s.i. Pro-Style Dumbbells feature a Rubber Encased, Steel End Plate to ensure against cracking. Pro-Style Dumbbells available 5-150x5 lb. increments and 7.5-52.5x5 lb. increments.
> Fully machined, High grade, Cast Iron Plates with Gray Hammertone, Chip-resistant paint.
> Handle size (Plate to plate) = 5.75"
> Grade 8 aircraft quality 1/2-20, Fine Thread bolts with locking compound paste applied to bolts before assembly.
> Virgin Rubber Encased Steel End Plates. Steel insert is machined to a radius.
> 32mm handle machined from 12L14 Ledloy Steel bar stock with HARD Chrome plating and a Diamond-cut, Positive medium knurl.
> 100% thread depth in handle to assure a secure hold when bolts are inserted during assembly.
> 2.5 lb. plate = 5" Diameter, .58" thick.
> 5 lb. plate = 6.25" Diameter, .70" thick.
> 7.5 lb. plate = 7.25" Diameter, .70 thick.
> 10 lb. plate = 8" Diameter, .70 thick.