Product Description Detailed Specs Downloads Reviews/Questions Product Description SCREW 4-40 X .25, QTY OF 25 Detailed Specs MFG Part Number HW30391-004 Product Type Printer Part (Restricted) PDF-1 None PDF-2 None PDF-3 None PDF-4 None Downloads Reviews/Questions The Zebra HW30391-004 is also known as ZEB -HW30391004 or HW30391004