Weld-on 25-Gauge Precision Syringe Applicator for Weld-on 3 and Weld-on 4 Acrylic Solvent Cement 25-Gauge Precision Syringe Stainless Steel 25 gauge Blunt Needle tip For use with Weld-on #3 and Weld-on #4 water-thin acrylic solver cement.