Microfiber is not calculated working with thread rely, but relatively GSM (grams for each sq. meter) and are equivalent to approximately1500 threadsper square inch! Qty: This item is at this time from inventory. If you want us to e-mail you when it is actually back again in stock, deliver together https://giant-macro-bar-for-sale90649.frewwebs.com/27316451/the-basic-principles-of-glock-40-threaded-barrel