The British No. 5 Mk 1/TBL Brass Fuze Cap Covers are significant artifacts from World War II, specifically designed for use with artillery and mortar shells. Introduced during the war, these brass covers served a vital role in protecting fuze mechanisms from moisture and debris, ensuring reliability and accuracy in munitions deployment.

The No. 5 Mk 1/TBL designation refers to the model and type, with "TBL" indicating that these covers were specifically designed for a range of British artillery shells, including the 25-pounder gun and various mortars. The construction from brass not only provided durability but also resistance to corrosion, which was crucial given the harsh conditions faced in the field.

These fuze cap covers typically feature a threaded design for secure attachment to the shell, ensuring that they could withstand the rigors of transport and deployment. Collectors appreciate the No. 5 Mk 1/TBL for their historical significance and the craftsmanship involved in their production.

As a representation of wartime innovation and engineering, these brass fuze cap covers offer a fascinating glimpse into the logistical challenges of munitions handling during WWII, making them a prized addition to any military collection or display