Check the listing for details. 18007-015 – Double Sided Pitney Bowes / Surefeed Flowmaster Pusher Block. Condition: New. Listed at 5.50 USD. IMPORTANT NOTICE - If ordered before 3pm EST most orders will ship same day. 18007-015 – Double Sided Pusher Block for Pitney Bowes / Surefeed Engineering Flowmaster Style Inserters. Machined from a solid piece of durable Delrin with an extended tip for increased wear, these are a direct OEM replacement. Why pay $20+ each from the manufacture when you can pay less than 1/2 the price and get 2 usable tips on the same block with the same if not better quality. I have made these for couple of customers in the past as a special request. These Pusher Blocks has been tested and used for years in a 10+ million a week lettershop and several smaller shops around the country. No overseas orders, Free US shipping, Canada orders ship at the buyer’s expense. I will ship the items either 1st Class Mail in a 5” X 9” Poly Bubble Mailer (with Tracking) or 3rd Class Small Flat Rate Box (with Tracking) based upon the amount ordered. I only accept PayPal as payment, No Returns all sales are Final.