Hammond General Purpose ABS Instrument Cases – Hammond 1599ESGY, This attractively styled, grey ABS enclosure from Hammond is designed primarily for hand-held instruments. Lap joint construction provides protection against intrusion from dust and splashing water. Two keyhole knockouts are moulded into the inside of the base to facilitate wall mounting. Hammond 1599ESGY Hand-held ABS Box 170 x 85 x 34 Grey