Dual-Ended Craft Tool. Featuring a metallic ball on one end and a fine poke tool on the other, this versatile tool is perfect for shaping, and piercing materials. Ø 5mm / 0.2 inch. This versatile burin features two sides: one with a metal ball and the other with a pointy needle. It’s a handy tool for everyday crafting. Use the metal ball side for shaping paper or even transfer rub-ons. The needle side is great for making precise holes on different materials and even opening your tubes.