The Primal Strength 7.5kg Tekkers Olympic Bar has been engineered to be used for technique work and junior lifting. When designed the “Tekkers” bar with a smooth, reduced friction spin to replicate a full bar and it has brass bushing for extra support. The bar is made from Aluminium and is rated to 60kg for technique work. - 7.5kg Olympic Technique Bar- Dual Medium Knurling- 60kg Rated- Smooth Spin- 1-Year Commercial Warranty The “Tekkers” bar has no centre knurl.The Tekkers bar has 1-year full bar warranty; the warranty is only valid against bending if the bar hasn’t been overloaded, damaged due to negligent or faulty use, poor storage or handling by the user. Negligent or faulty use includes dropping the bar on a bench, spotter arms or non-rubberised J-Hooks in a power rack, or excessive dropping with poor quality bumpers plates/rubber/iron plates.