The Bernzomatic Detail Pen Torch is a trigger-start torch equipped with a 3-in-1 versatile tip, an adjustable precision flame and a pen-style grip so you can fine-tune it to your needs. The 3-in-1 tip includes a pinpoint flame micro torch, fine soldering tip and hot blower. This torch is recommended for electrical soldering, jewelry repairs, heat shrinking and detailed work on metal, wood, foam and other materials. The Detail Pen Torch is refillable and compatible with the Bernzomatic BF56 Butane Cylinder, sold separately.