Home > Catalog > Loom Additions > Beater Conversions > Four Box Flyshuttle Conversion Four Box Flyshuttle Conversion Conversion kit includes all parts and hardware to convert to a four box flyshuttle beater. Fits A-Series, full frame (Production and Technical Dobby Loom) and Folding Dobby Loom. $1,421.00 Part Number 506 Loom Serial Number * Loom Width * Beater Type * ** NoneOverhead BeaterBottom Swing Beater Quantity * Four Box Flyshuttle Conversion