b'ModelExternal InternalWeight VolumeShelvesSize 1680 x 680 x 630 540 x 540 x 380 675kg 111L1 HIGH SECURITY SAFESSize 2840 x 680 x 680 700 x 540 x 430 836kg 163L1Size 31010 x 680 x 680 870 x 540 x 430 975kg 203L2 Size 41510 x 680 x 680 1370 x 540 x 430 1391kg 320L3 Add 55mm to external depth for handleSize 3NOW WITH FIRELocking Options: CERTIFICATIONAny lock alterations must conform to EN1300 Class B. See page 7827'