Precision machined from Rowan Engineering in England. My as well have the best and cool your gun the best! A must have for judging the wind. This size fits 34.8mm which is the size of a Steyr air cylinder.
CNC machined from 6082 aluminium and finished in black anodised. Clamps on to your cylinder.A small length of wool or cotton can be attached to the carbon fibre siwing out arm and used as a visual aid to help evaluate the 'windage'.