Long arm single or twin needle heavy duty compound feed lockstitch. Also available with an automatic thread trimmer.This 25 inch long arm machine gives a wider working space for harder to handle items. The bobbin winder on the top middle of the head makes for easy operation.Available as a single or twin needle machine, it incorporates a large vertical hook (or hooks) and automatic lubrication to produce quality stitching at low noise levels. A longer version of models GC20618-1 and GC20618-2 it offers many of the same features in a longer machine and can be used to sew tents, awnings, car and truck covers, hot air balloons, sails, and other large work pieces. Models GC20698-1-D and GC20698-2-D are available with undertrimming and added functions.