These are great OEM replacement parts for the DIY (do it yourself) repairs. Dish 500 Polar Skew Arm. Dish 500 Y yoke adapter. Dish 500 Mast Arm. Brand New OEM products from Dish Network. Why buy USED when you can get NEW! We ship your order within 24 hours of payment. We want to supply every possible satellite part you might need. Email us with questions.