Item Tag: 100pcs

Feature: The self-drilling screws can be directly screwed into the product without pre-drilling, not easy to deform and slide when use, high strength, long service life.

The invention of safe ignitions is a great revolution in the fireworks firing technology. And it is better when the firing system have the text function. The operation procedures is as follows 2,Turn off the firing system,then put the firing ignitions in the end of the fireworks down-lead.