MJ-300 Micro-Jet Instant Flame Heat Gun

£15.00 (incl. VAT)

The MJ-300 Micro-Jet heat gun is a butane gas blow torch that is powered by a common refillable type gas lighter/cartridge. This pocket blowtorch burns at 1300°C making it ideal for general heating applications, but particularly adept at installing heat shrink tubing and solder filled connectors.

MJ-300 Product Overview

The MJ-300 heat gun is a cheap and convenient option for the low volume user.  Ideal for hobbyists and occasional use, this tool is perfect for installing heat shrink tubing. products.

Features & Benefits

  • Piezo electronic ignition system – with safety lock.
  • Powered by a refillable cartridge (included but without gas) or by any standard disposable gas cigarette lighter.
  • Inexpensive and readily available fuel source.
  • Wndproof and waterproof ignition
  • Ideal for outdoor and indoor use
  • Compact size allows the unit to fit easily in a toolkit


  • Installing heat shrink tubing
  • Installing heat shrink connectors
  • Shrink wrapping
  • Braid and rope cutting
  • Household repairs
  • Laboratories
  • Do-it-yourself repairs
  • First aid and survival kits

Alternatively, have you considered buying the MJ-600 Micro-Therm Flameless Heat Gun.  This is the big brother of the MJ-300 and comes bundled with a 17mm Ø Diameter reflector designed for installing heatshrink sleeves upto 3/8″ (9.5mm)