These Shield Bosses are in clearance due to rust patches forming. With abit of elbow grease they will shine again! Also they have a great rustic look to them. 

Large, circular boss-grip shields were the standard in much of Europe throughout the Viking Age, and shields with a boss have been used by various cultures around the world from antiquity well into the middle ages. Available in two varieties, these shield bosses are ideal for re-enactment and display, and come pre-drilled with 4 holes around the edge for easy fitting to any flat shield.

Approximate specifications are as follows: 

Hammered:

Weight: 776g
Total Diameter: 22.5cm
Inner Diameter: 15cm
Depth at centre: 6cm
Material: High-Carbon Steel

Part Polished:

Weight: 470g
Total Diameter: 20.2cm
Inner Diameter: 15cm
Depth at centre: 5cm
Material: High-Carbon Steel