***NOTE*** There are 2 shipping options to choose with different costs.*** 1. $1.29 Standard Shipping with no tracking. They are shipped in a plain white envelope to save the extra postage cost below. The $1.29 covers the cost of the stamps. 2. USPS Ground Advantage Package Rate. $4.80 postage cost which covers the USPS cost and provides a tracking number. It will be sent in an Air Jacket padded mailer for protection As of January 2023 the post office raised it?s rates once again, retail, to get a tracking number which you can only get by sending via option 2, First class package. If you require tracking you MUST choose ?USPS Ground Advantage Package? and switch it from $1.29 standard shipping to "USPS Ground Advantage" rate DURING CHECKOUT! PAY ONLY ONE SHIPPING CHARGE ON ANY QUANTITY!! BUY 2 PAIRS GET ONE PAIR FREE!! Buy 2 get 3 !!! I will include a free set of the most common size screw. The screws are no charge but they will NOT fit all frames. ***The screw size is 1.4MMx4.1MM and the only screw size I have.*** Please keep old screws in the event these do not fit your particular frame. (Most commonly used) SCREWS INCLUDED AT NO EXTRA CHARGE!!* ***Screws are the most commonly used size 1.4mm (0.055") x 4.0mm (0.157") **Please note: there are some frame manufacturers that will use something other than most commonly used screws. These screws will NOT fit those frames. Please refer to your frame's manufacturer's specs. Please see my other listings for a tool and accessories to do the job. Please Click the links below DELUXE 3 in1 Screwdriver Socket Eyeglass Watch Repair Tool Kit $3.79 Super Soft Drawstring Microfiber Eyeglass Pouch $3.69 BEAUTIFUL and exquisite Eyeglass Chain with exclusive diamond pattern rope design $5.99 with FREE shipping Features: Material: Silicone. Attachment: Screw-on. Shape: Oval. size:13MM7MM . Quantity 2 *Screws are standard 1.4mm (0.055") x 4.0mm (0.157") and fit standard frames.