WFG Wild Fit 45cm Dumbbell Shafts - 2 Shafts, Screw-Type, Adjustable, with 4 Collars WFG Wild Fit Screw Dumbbell Shafts (with collars) ■ Diameter: 28mm ■ Shaft Length: Approximately 45cm Includes 2 shafts and a set of 4 collars. (Measurements are approximate due to amateur measuring. Please consider them as a guideline.) There is some wear and tear, but they are still usable. Please refer to image 10 to see the condition. The shafts will be wrapped in cushioning material, and the collars will be individually wrapped in bubble wrap, then packed in a cardboard box for anonymous shipping.