How to use solder coreless gas MT-100:to refil,hold refil can as pictureed(fuel transfer is dependent upon gravity).observe fuel level in transparent window and stop when 90% full. Ignition sequence:push the on/off adjuster upward toward tip to release gas and turn to mid position.then holding the unit away from the face and body,activate with the flint ignitor or regular lighter. Adjustment:the tip temperature can be adjusted by turning the on/off adjuster.normally set the on/off adjuster forward to mid postiition when soldering or brazing.it is not nessary for the tip to glow bright red to achieve fatisfactory soldering temperatures.experience will dictate the adjuster setting required.excessive gas flow,flare-up or catalyst pulsing red may occur the regular is incorrectly adjusted,ie,set too high. Color:picture color Material:ABS + metal Package Contents: 1 x Gas Soldering Iron 1 x Stand with Sponge 1 x Solder Tube (63/37 tin/lead,1.8% Flux,1.0mm Dia,0.5oz) 6 x Solder Tips 1 x Rosin 1 x Scraper Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.