Hypertherm Inner Retaining Cap, 30 Amp - 020940 by Hypertherm Save -8% $69.19 SKU HYP020940 Hypertherm - SKU HYP020940 Add accessories to hypertherm inner retaining cap, 30 amp - 020940. 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