Viper The Freak Soft Tip Darts 3 Knurled Rings Barrel - 18 GramsFeatures Nickel plated alloy barrels provide best bang for the buck with high strength and smooth styling. Evenly weighted barrels feature hand painted rings and heavy knurling to ensure that your hand positioning is consistent throw after throw. Aluminum Spinster Shafts feature locking holes, making them the most secure way to fasten shafts to barrels and improve stability. Each shaft rotates freely to allowing flights to make way for darts shot