... and dust proof ,Protection class IP67. Tool case1. Watertight, crushproof, and dust proof 2. Easy open Double Throw latches 3. Open cell core with ... drilling holes, adding or changing PCB pillars (not free in charge).4:All the products are designned under the regulations ... special requirements, please contact us in advance, and describe this in you PO.6:Because of revising and updating, the data of this ...