Aerosol spray allows for precise application of CA activator without misting or pumping. Comes with extension tube for even more pinpoint control in hard-to-reach areas. Activator quickly cures CA to speed building—ideal for those hard-to-position parts.High degree of accuracy reduces waste and virtually eliminates excess staining of wood, which can show through covering later. Works with Pro CA and all other types of CA. Compatible with most foams. Comes in a 177 ml can and costs just pennies per application.