Fiber optic extension set for module and Keystone surface-mounted housing, scope of delivery: splice cassette with crimp splice holder for 12 splices, cable ties, Kevlar clamp and fastening screws, suitable for all sizes, maximum equipment in 3-, 4- and 6-unit housing: 1 extension set, in 8- and 12-unit housing: 2 extension sets, in 24-unit housing: 3 extension sets