Use to collect them when I was working. Now retired, sold and gave away most of them. My favourite brand is still Maglite. Other brand include Snap-on and Pelican. Most of the touches I use have aluminium body with the execption of the rechargeable torch from Sanyo. It had a plastic (?), poly body. It had to be tough, what with the chemicals the touches were exposed to, hydraulic fluid, oils and grease, use it as a hammer, etc. The only touch I have now are Maglite 2 cell, 4 cell and 6 cell torches.