Tractor Extension Mirror Kit for John Deere Sound Gard 4030 4230 4430 4630 8630 2140 2940 4040 4240 4440 4640 4840 2350 2550 2750 2950 3150 2WD tractors Tractor extension arm kit (left/right sides) for the John Deere Sound Gard Cab line Extension arms extend from 24" to 33", break-away feature, built of heavy metal casting. Mirror faces are 9"x16", slight convex for a broad view, fully adjustable in all directions Easy instructions with step by step, installation pictures. 15 minutes to install per side, estimated. Includes sub-frame for each side to mount mirror arms to tractor. Includes required mounting hardware.