HARTING, DIN 41612, Type B, C, D, E, har-bus 64 DIN 41612 Connector

Housings have insert options for side or rear cable entry
One LH and one RH lever (or bracket as appropriate) is included per set of levers (or brackets), see for instance stock number 482-070 for levers or 482-092 for brackets
Housings include assembly screws

LH and RH are not sold together.
160-1058 is LH left hand side of the lever need to be purchased separately and 843-6182 is RH right hand side of the lever need to be purchased separately.

DIN41612 - Harting Range

DIN 41612 connectors for interconnection in all 19in Eurocard racking systems.