Hypertherm Kit:Hpr400Xd Auto Firmware Upgrade - 228527 by Hypertherm Save -7% $1.61 SKU HYP228527 Hypertherm - SKU HYP228527 Add accessories to hypertherm kit:hpr400xd auto firmware upgrade - 228527. Close Add Your items total will automatically update after adding options or accessories. You can edit your selections in the cart. Select Options & Accessories Quantity Add to cart