***NOTE*** There are 2 shipping options to choose with different costs.*** 1. $1.49 Standard Economy Shipping with no tracking. They are shipped in a plain white envelope to save the extra postage cost below. The $1.49 covers most of the mailing costs. 2. USPS Ground Advantage Package Rate. $5.29 postage cost which covers most of the USPS cost and provides a tracking number. It will be sent in an Air Jacket padded mailer for protection This includes up to a 23% commercial discount passed on to you As of January 2025 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 $1.49 standard economy shipping to "USPS Ground Advantage" rate DURING CHECKOUT! ****DURING CHECKOUT****** Electronic Micro Machine Screws or Eyeglass Nose Pad STANDARD SIZE 1.4 x 4.1mmUS SELLER ***PLEASE NOTE: If using for your eyeglasses there a some manufacturers that use something other than standard size 1.4 x 4.1mm screws. Please refer to your frame's manufacturer's specs before purchasing.***