xTool Risers for xTool D1 (4-pack) Used with xTool D1 to facilitate the engraving of higher objects by increasing the height of the laser engraving & cutting machine The risers contain 4 pcs, which are used on the four corners of xTool D1. Each set of riser (4 pcs) can increase the engraving height by 45mm and supports stacking use Note: It is recommended to buy 2 sets (8 pcs) for engraving materials with different height ranges