Pinball Machine Or Coin-Op Vending Machine Metal Plunger Unknown Part See Photo

This part was found with vintage new old stock pinball parts. I am not sure what it is so if you know please tell me. It is a plunger unit with movable shaft inside. The narrow end appears to be a kicker or activator? 5" long from end to end when expanded and 4" when compacted. Round shaft is about .50 inch thick. SHIPPING Buyer pays shipping and handling if shown. Additional items will be discounted when cart is used. Sales taxes are the buyer's responsibility if applicable. Please use the cart to bundle and save on your orders. You must add all items to cart and make a single payment to get promo offers and shipping discounts if offered. INTERNATIONAL BUYERS ONLY Import fees/taxes are the buyers responsibility if applicable. These fees are from your countries customs department. Total value will be shown on customs forms less the postage paid. Items can not be marked as gift on customs forms.