1/2 Frame Slide Mounts 160 mounts $8 including shipping to USA address. Window is about 15.5 x 23.5 mm. I am happy to sell items on APUG and I make a contribution to APUG. To make this work please: To buy send me a private message (PM) with your email address for use in communicating; I will provide my email address via PM. If you use PayPal I will ship to the address PayPal provides. US shipping is USPS 1st class. I can ship outside US. For shipping I will charge you what the USPS charges me. When you pay tell me what you are buying!