Total height:45mm/1.77";Width:23mm/0.91";Waist to base distance:24mm/0.94".

Spline diameter:8.2mm/0.32";Number of teeth on spline:20/0.79";Base diameter:18mm/0.71".
Waist diameter:23mm/0.91";Turn on:Counterclockwise;Turn off:clockwise.
BSP 1/2" thread. Rubber O ring at the bottom
Material:copper
Colour:Red
Package Included:1 x 1/2" BSP copper Ceramic Disc valve