Diecast, Self-Grounding 7-pole Connector. Product Features:Conforms to ATA, RCCC (RP-102), SAE J560b, FMVSS-121, FIEI TTMA RP40-73 standards and recommendations, and is compatible with other J560b connectors. Mounting holes on the flanges are oval .488 x .325 (12.4 x 8.3mm). 2.93 on centers (74.6mm). Mounts through a 2 (50.8mm) hole.