1、[HIGH QUALITY MATERIAL]: Steel tip darts designed with high quality aluminium barrels that provide exceptional balance and styling. Very durable and does not wear as quickly compared to other materials such as Brass. In addition, strategically placed knurling and grooves provide excellent grip, enhancing your control. 2、[ALIMINIUM SHAFTS]: Aluminium dart shafts allow for the shafts to remain intact after high levels of wear and tear. It also allows the shaft to be resistant from breaking when dropped on the floor. 3、[FOR ALL ABILITIES]: From the seasoned professional through to the complete beginner playing their first game, these darts can be used by anyone. 4、[EASY TO THROW]: The darts allow have an easy to use grip and the aerodynamics allow for the dart to fly true to the board. 5、[STYLISH CARRYING CASE]: Darts come in a carry case which allows you to easily assemble, disassemble and transport the darts to and from different locations. The stylish case will also protect the darts from damage when not use in. 1 * Steel Tip Darts Set Material: copper, aluminum alloy, PVC Size: about 14.5* 4.8*2cm/ 5.7* 1.9* 0.8inch Weight: about 100g Dart barrel weight: about 21g Whole dart weight: about 23g Dart barrel diameter: about 8.5mm/ 0.33inch