Prestacycle's Pro Schrader Head features a patented auto-lock mechanism that securely attaches to Schrader valves without pulling or twisting. It forms a seal and allows for two-way flow and pressure readings. The easy-grip sides and side button ensure full release of the connection, providing an instant low-loss disconnect to maintain accurate tire pressure.

• Patented auto lock with gentle push button release
• Steel / Alloy construction is pro shop durable
• Perfect for bicycles and vehicles of all kinds
• Will not harm TPI valves
• "L" design works on most automotive wheels
• High flow capable