What is this?These brass round rod assortments are widely used in DIY craft making, model making, gear shafts, motor shafts, short support shafts, shaft pocket models, model planes, model ships, model cars, handle pins, making pins, etc.What will I get?Length: 300mm(11.81 Inch)Diameter: 2.0mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mmPack of 6 Pieces x Brass Solid Round Rod1 Piece 2.0mm x 300mm Brass Solid Round Rod1 Piece 3.0mm x 300mm Brass Solid Round Rod1 Piece 4.0mm x 300mm Brass Solid Round Rod1 Piece 5.0mm x 300mm Brass Solid Round Rod1 Piece 6.0mm x 300mm Brass Solid Round Rod1 Piece 8.0mm x 300mm Brass Solid Round RodAre there any advantages of the product?Solid brass, hard, sturdy, smooth, easy to shape, easy to cut, no cracks formed.How to use it?The brass rods surfaces are smooth and easy to shape, you can cut to any size you want according to your needs.What should I notice?Note: Please allow a 0.1-0.5mm error due to manual measurement.