ACMA680-36MJ-PB Features: -For use with the ACMA680 Typhoon® Blow Gun.-Meets or exceeds OSHA regulations.-1/2-27 UNS thread.-High flow tip means maximum power.-Extension helps to reach in hard to reach places.-36" Typhoon Blow Gun Extension with Multi-Jet Tip. Warranty: -1 yr warranty on material and workmanship.