Platt 307 Blow Molded Case: Roomy and well designed, Platt 307 Blow Molded Case is an ideal solution for anyone looking for security and durability. Made in USA, case is constructed of surprisingly rugged materials and meant to withstand a heavy use and harsh conditions. Crafted with double walled construction it uses high density polyethylene for shell. This guarantees that it will remain free of cracks and dents as well as scuff marks. It is impervious to extremes of heat, and even to almost any sort of chemical and it meets 94B Specifications as an electrical insulator.It is also designed for everyday functionality as well. It uses mechanical hinges and latches that are meant to stand up to daily wear and tear. exterior is a convenient size (12" x 8" x 3 3/4") and it features a comfortable carrying handle and a field replaceable latch.interior provides ample space (11" x 7" x 3 7/16") and features "pick and pluck" foam cubes that can be easily removed to create a custom fit. It also features a flat bottom cushion and a flat or convoluted cushion in lid. They all work together to keep your valuable equipment safe and secure.