A-OPS8595-AI OPS Switch Kit (For Use On MSG85 & 95 Seats)One New Aftermarket Replacement OPS (Operator Presence) Switch Kit for Grammer MSG85 and MSG95 Series Seats This aftermarket replacement Operator Presence Switch (OPS) kit restores the safety switching function on Grammer MSG85 and MSG95 series seats. The OPS switch is a critical seat mounted safety component that detects whether an operator is seated; it is used across a wide range of agricultural, construction, and material handling equipment fitted