Mates with all L-Tek SIL male headers, see stock number ; 511-345 511-345 typical for Vertical PC tail type. SIL Socket - Vertical PC Tail. This range of L-Tek SIL 180° PC tail Headers are part of the Datamate Series from Harwin. M80-840xx42 have Gold plated Clips and Tin plated Shells M80-840xx45 have Gold plated Clips and Shells