Genuine LiftMaster K19-50ML master link for #50 roller chain, used on the SW490 and SW490GL commercial swing gate operators.
Fitment: LiftMaster SW490 and SW490GL. Joins the K19-2075 #50 x 75 drive chain, which is supplied without a master link.
Sold individually. Fit a new master link whenever the chain is broken and rejoined.
![Liftmaster 19-48055MB Chain 48x29 link with master link [K19-48055MB]](https://cdn11.bigcommerce.com/s-32eq2wsbti/images/stencil/500x659/products/14979/228130/liftmaster-19-48055mb-chain-48x29-link-with-master-link-k19-48055mb-19-48055mb_a__41327.1721408650.jpg?c=2 "Liftmaster 19-48055MB Chain 48x29 link with master link [K19-48055MB]")
