Oregon 16-in 57 Link Replacement Chainsaw Chain in the Chainsaw Chains department at Lowes.com
3-Pack Chainsaw Chain for 16 Inch (40cm) Bar, 57 Drive Links, 3/8"LP .050" Gauge, Low-Kickback Saw Chain fits for Titan, Black & Decker, Einhell, Ryobi, Oregon and More (91PJ057X) : Amazon.co.uk: Garden