16" VersaCut 91VXL PRO Chain, 55 Drive Links, Oregon 91VXL is a high performance 3/8" Low Profile™ chain. Ideal for arborists and orchardists who use lightweight chain saws but need the performance a professional requires. Longer cutter top-plates are offer longer cutting life for the user. Fits Echo, Stihl & others. Replaces Oregon Part Number S55 /TV sku # 733912- Same Fit-up & Application