Retex ABS Handheld 2910 Betabox Series Enclosures – Retex 33050552, An attractive black ABS handheld case, 145 x 80 x 34mm, from the Retex 2910 Betabox Series, ideal for use with portable instruments.This case has a battery compartment to accommodate a single PP3 battery, accessed via a removable cover. Retex 33050552 ABS Hand-held 2910 Betabox Series 145 x 80 34mm Black