The Trigger-Feed Standard Dual-Melt Glue gun is perfect for both high and low-temperature gluing in one gun. This gun uses standard dual-temperature glue on both settings and hot-melt glue on the high setting. This glue gun heats up within 60 second. Glue gunOffers the versatility of both high temperature and low temperature gluing in one gunQuality engineering for reliable performanceConvenient Hi/Lo selector switchUses standard dual temperature glue on either setting or hot melt on the high settingRecommended glue sticks GS15, GS20, GS25, GS230 and GS500