1 replacement safety switch for John Deere riding mowers. 2nd photo has a diagram. Fits models listed below

 D100,  D110,  D120,  D130,  D140,  D150,  D160,  X106,  X126,  X146R

Also fits models 

x125, x145, x165, X106,  X126, X166, X116R,  X146R and X166R