This is a Prestacycle Mini Air Compressor Inflator. Capable of delivering a high volume of air quickly to set the bead on tubeless road and MTB tires with ease. If you're a serious rider setting up tubeless tires, this is a must have. Not just another air nozzle. Features: Attaches to air compressor to inflate tires in seconds Designed with inflation rate control trigger Small design allows for easy one-hand usage Safe for operation up to 300psi Attachments are 6061-T6 alloy Replacement Presta rubber washers available use PF-1013 sold as a 2 pack Specifications: Valve Type: Presta