Zinc pencil anode manufactured to US military specification 18001K by Tecnoseal in Italy, one of the worlds leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market. 

For volvo engines series 200, 250 & 270

Length of anode beyond the thread is 40mm

Diameter of anode is 15mm

Thread is 7/16"unc

Price is for anode only