Bulls Darts Martijn Kleermaker 90% and 25 grams. .What. Brand name: Bulls NL. What. It was designed by Martijn Kleermaker. The material is 90% tungsten. Barrel weight: 25 grams. Total weight: 26.5gr. Barrel length: 52.5mm. Barrel width: 6.75mm. Type of tip: metal - steel tip. Reed thread: 2 to 4 mm. .What. The game of darts consists of 1 set of 3 bodies Bulls Martijn Kleermaker with steel tip, 1 set of 3 canes Bulls Nylon medium black and one set of three Martijn Kleermaker Standard pens. .What. Includes a protector for metal tips