It uses a dual-row arrangement of outer shroud contacts on a 0.020" (0.50 mm) pitch, with a mated stacking height of 1.5 mm — a tight z-height budget typical of compact handheld or portable device PCBs.
The 1.5 mm stacking height is fixed — this plug mates with a matching SlimStack receptacle to set the board-to-board gap. At 0.50 mm pitch, the 60 positions occupy a board footprint roughly 15 mm wide (60 × 0.50 mm / 2 rows). The surface-mount tails and dual-row layout keep the routing density high, but the fine pitch means the PCB land pattern must match the datasheet footprint exactly to avoid solder bridging.