Carson’s LT-20, LinenTest magnifier is a compact, fold-out linen test magnifier featuring a 6.5x power 20mm lens. The LT-20 contains markings in both inches and centimeters for easy measuring of small parts. The LinenTest™ is perfect for stitch counting. This magnifier is portable, lightweight, and folds flat for storing when not in use.
Linen testers are designed to do quality checks to examine the weft and warp of textiles. They are also used in publishing or printing, to measure the line width of colour separations.