A: Internal width at torso bolstersB: External width at torso bolstersC: Internal Width at center cushionD: External width across thigh bolstersE: External width at shouldersF: Base WidthG: Base length (Front-to-Back)H: Mounting Hole Span (Side-Mounting seats only)I: Projection of SeatbackL: Height from base to shoulder wingsM: Height (Top-to-Bottom)
Note: All measurements are in millimeters. Measurements are based on the seat shell, and do not take into account padding thickness.