Features:1) JA2 model is designed to have a forward and backward material feeding device fordouble stitch without reversing the cloth2) JA2-2 model has a cloth feeding regulator to adjust feeding teet
Features:1) JA2 model is designed to have a forward and backward material feedingdevice for double stitch without reversing the cloth2) JA2-2 model has a cloth feeding regulator to adjust feeding teet