About this TABlet... The sewing needle plays an important role in making finished articles durable, pleasing and attractive. Poor needle selection mar the seam appearance, seams durability and productivity of the stitching process. In addition, it also damages fabric and thread. Poor quality/size/style of the sewing needle are some of the major causes for skipped stitches and severe thread breakage during sewing. Therefoe, it is necessary to know the various aspects of sewing needles, which are described in this booklet. The contents are: .Anatomy of machine needle .Needle manufacturing .Characteristics of needle and its numbering systems .Types of needles .Classification of round points and cutting points of needle .Designation system of needles .Method to replace needle in a lockstitch machine .Problems caused by needle during sewing .Position and description of eccentric points of needle