The basics Have plenty of color ready for your sewing needs with Avery Dennison Corporation Micro Stitch Fastener Refills. The benefits This white or black color refill is for use with Micro Stitch 111870 and Micro Tach tools. The uses Use these fasteners to put together your favorite projects in the long term. The bottom line This sewing accessory includes 1,200 refills for when you need them.