Set Screw "A" (MC15000)..

Set Screw 2x5, Janome #000230403 Details

Fits Elna Sewing Machine Models:
780+ eXcellence

Fits Janome Sewing Machine Models:
MC6650, MC6700P, MC15000 Horizon, MC15000V3 Quilt Maker, MC9400QCP, Memory Craft 9450QCP, Skyline S9