Product Description Detailed Specs Downloads Reviews/Questions Product Description Retention Ring .250 Diameter, Qty of 25 Detailed Specs MFG Part Number HW35137 Product Type Printer Part (Restricted) PDF-1 None PDF-2 None PDF-3 None PDF-4 None PDF-5 None Downloads Reviews/Questions The Zebra HW35137 is also known as ZEB -HW35137 or HW35137