For all of those tight spaces which need the smallest most compact disc chuck on the market.

• Threads into any Schrader pump head
• Can only be used to inflate Presta valves
• Exclusive CompressionHead design can tighten gasket over 200% by simply tightening cap
• CompressionHead allows you to adjust fit for even the most worn presta valves.
• True no-holding disc inflation on ALL style Presta valves including threaded stems
• Full metal construction, no plastic parts to wear or fail.
• Available only in BLACK