Endoscopic Burr Tip 3Mm / 4Mm For Riwo Spine System-Oval . Flexible Endosco Pic Burr Tip 3Mm / 4Mm For Riwo Spine System-Oval [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]