Those generic cases are awesome! I got one from the LHS I work at for like $10 that's about half that size - it's PERFECT for my Nomadio React radio. Looks like yours will be very handy

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SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz