The new Pro Presta Head features a patented auto-lock mechanism that securely attaches to the Presta valve without pulling or twisting, ensuring a no-loss disconnect for accurate tire pressure. Designed for professional use, it includes a steel head for durability and a 90-degree angle for easy access. The Prestaflator Digital, equipped with a Rapid Response Digital Gauge, provides precise and fast inflation with non-wearing circuitry. The long-throw trigger valve allows for controlled air flow, making it ideal for various bike tires. Additionally, the 1-way/2-way Spin-on Presta design ensures an airtight seal and easy pressure readings without an air compressor.Designed for professional useInflate tires accurately in secondsExcellent Air Flow control1way / 2way Presta Inflation Head inside Prestacycle Prestaflator Pro Digital Inflation Tool Shop Air Compressor Head UPC: 689466937015