Home > Catalog > Tools & Replacement Parts > Aprons > Apron for WDL Plain Beam Apron, 16" or 24" Plain Warp Beam (WDL) High quality, heavy duty canvas, sewn to AVL specification to match your loom. $59.00 Part Number 3411 Loom Serial Number * Loom Width * Quantity * Apron, 16" or 24" Plain Warp Beam (WDL)