Come and Check Our Branding Solutions.This pen body is made of aluminium in fine workmanship, the pen tube is made of copper, the refill and screwdriver are made of iron and the matching gap of the pen head is small; So the whole screwdriver pen is lightweight, stable, durable and not easy to break. The pen has 6 functional parts, such as ruler, slot and cross screwdriver, touchscreen stylus, ballpoint pen and key ring, so it can be a writing tool, measuring tool, repair tools. Pls check inventory and detailed info before placing your orders.