HARDENED SEEL COLLET: Fits all standard Schrader valves [VG8/8V1 valve threads] and is built to last and stand up to use in even the busiest tire shops, service bays, and garages. AVAILABLE IN 2 STYLES: Open Flow or Closed Flow ~ OPEN FLOW: Air passes through freely. Like no other air chuck on the market, the LockNFlate's six steel jaws lock on to any Schrader valve to create a secure, hands-free connection SIX STEEL JAWS lock onto any Schrader valve to create a secure, hands-free connection. The NEW LockNFlate 90-degree Air Chuck from LockNLube combines the safety and convenience of the original LockNFlate in a more compact, right-angled design. Air Hose Coupler Elbow Air Hose Connector 90 Degree Air Pipe Fitting Pl 8 1 4 LockNFlate Air Chuck Closed Flow-LN65002 The durable, spring-loaded TPU seal can inflate tires with or without the valve core in place. COMPACT 90° RIGHT ANGLE DESIGN is perfect for motorcycles, bikes, ATVs, and other difficult-to-reach tire valves CLOSED FLOW: Must engage the tire valve for air to flow. LockNLFlate 90 Degree 90-Degree (Closed Flow 90 Air Chuck For use directly from a compressor or air hose.