The lower load of the Mark 4, yet in the same tube as the Mark 5, makes them Ideal for when your site has noise-conscious neighbour, and fitting in your webbing. When the 7 second fuse burns down the result is still a loud bang and a bright flash more ideally suited for built up areas. Each comes with TLSFx robust and reliable twist and strike cap ignition system that protects the fuse from damage or accidental ignition.
Thunderflash Mark 4
- Brand: TLSFx
- Product Code: Thunderflash Mark 4
- Availability: In Stock
- £3.33 Ex VAT