This 3" cylinder may have stroke stops for cushioning and has a 4.5" barrel. When folded, the total length is 8.75 inches from finger to toe. Extended is 11.75 inches from finger to toe. It's too long for what I needed it for, but it was a good price and service so I'll keep it anyway. The first one I ordered was a 4 inch device with the 10 inch pen retracted. If sizes are right, these guys are for you.
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