Sealey AK2941 Micro Butane Torch/ Soldering Kit 3pc. 3pc Micro Butane Torch/ Soldering Kit. Portable & lightweight, suitable for heating, soldering & shrinking plus many other applications. Powered by butane (lighter fluid). Piezoelectric start & anti-flare device enables quick & clean operation. Portable & lightweight, suitable for heating, soldering & shrinking plus many other applications. Powered by butane (lighter fluid). Piezoelectric start & anti-flare device enables quick & clean operation. Model No. AK2941.