Accurate weight: Our tungsten is of 99.95% purity and is 2.7 times more dense than zinc and 1.7 times more dense than lead, meaning that it can add significant weight while maintaining a small footprint.
Size: The weights size are different, there are 5 of 1/2ounce, 3 of 1/4 ounce and 2 of 1/8 ounce, all tungstens are 3/8 inch in diameter cylinders.You can match the speed you need to increase according to your needs
Easy to install: the cylinder is 3/8 inch in diameter(standard drill bit size), you can just drill a hole, insert the weight and paste it in place to use
Safe material: tungsten is child-safe, non-toxic for safe handling,the surface of all counterweights is smooth and cylindrical, safe and without sharp edges
Package included: each set includes 10 pieces of tungsten weights of 3 sizes with a sum of 3.5 ounces, they have no sharp edges, non-toxic, safe for people to use