CRL Mirror Clips and Screw Sets are pre-packaged in quantities of 1,000 sets to permit a cost savings due to the bulk packing of Clips and #6 x 1-1/2" (37 mm) Oval Head Phillips Screws. Available in two popular sizes, for 1/8" or 1/4" (3 or 6 mm) mirror. There are 1,000 each Clips and Screws per box.