Features:
100% brand new and high quality
Comes with rubber O-ring for a positive seal.  
Convert a presta valve to a schrader valve
Standard size adaptor fits most bike pump
Also turn a FR valve into a US valve 

Easy to use, simply screw it on by hand until it's tight.

Specifications:
Material: Brass
Quantity: 5

Package Contents:
5 x Presta to Schrader Valve Adaptors