Double Needle
Long Arm with 18” Working Space
Oil Pump System with Adjustable Oil Flow
Upper Oil Glass Sight
Large Vertical Axis Automatically Oiled Hook
Barrel-type, Locking Stitch Regulator
Locking Stitch Regulator
Large Top-Loaded Bobbin
Reverse
Quick Tension Release
Safety Clutch
Locking Slide Plate for easy bobbin access.
Adjustable Take-Up Thread Guide for thread loop timing