Curl Barrel Multi Direction 1.6 in attachment for Airwrap Hair Styler HS01 HS05 

40mm wide , 134mm long ( Regular size, not the long one ) 

Compatible with both HS01 and HS05

This is long barrel ( 1.6 inches wide, 5.2 inches long ) 

Aftermarket replacement part

Colors:

Gold

Fuchsia