The GF901 is suitable for both the DIY enthusiast or hobbyist for use around the home or small workshop. It can be used for a variety of tasks, such as kitchen cooking, igniting cocktails, barbeque, smoking, BBQ, culinary brazing, outdoor activities, plumbing, soldering, and welding. It is also great for small work which requires a concentrated flame in a very small place, such as electrical work, electronics repairs and making and/or repairing jewelry.

One of the standout features of the GF90 is its sturdy construction that's designed for one-handed use. The ergonomic non-slip handle makes it comfortable to hold1. It has a solid wider diameter base so you can put it down and use it hands-free if so desired.

The GF901 model is easily refilled with any brand of butane gas1. The flame strength can be controlled by the air flow. It has a patented adjustable flame length device, with the flame range being 0.2 to 0.5 inches1.

When properly aligned, the air flow control valve will allow the GF-901 to burn at a powerful 1300°C (2400°F) butane blue torch flame1. The GF-901 butane torch is highly wind resistant and so it is suitable for outdoor DIY applications.

In terms of specifications, the GF901 has a dimension of Length 106 mm (4.17 inch), Height 165 mm (6.5 inch), Grip Diameter 38 mm (1.5inch), Base 60 mm (2.36 inch). It weighs an empty tank of 207g. Its capacity for Butane Gas Fuel is approximately 9ml. The BTU is 3742.2 and the Flame Temperature is approximately 2400 ℉ (1300 ℃). The Flame Length Range at Mid Setting is 5mm (0.2 inch) ~ 13mm (0.5 inch)1. The usage time at Mid Setting is 30 minutes use on Each Filling.

In conclusion, the GF901 Butane Torch is a powerful and versatile tool that can be used in various applications. Its sturdy construction, easy refill system, precision flame control, and wind-resistant flame make it an ideal choice for both professional and personal use.