Low-profile feed neck with self-locking sprocket thumbwheel. Features Reduced Profile Self-locking Sprocket Thumbwheel Clamping Lever Composition 6061-T6 Aluminium Fits Ego 7/8/9/10/11/S/SL's Etha/Etha LT Etha2 Etek 3/4/5 Gmek Gtek/Gtek 160R LV1/LV1.1/LVR...