Kit for replacing a rung lock on a Bauer fiberglass ladder with D-rungs including series 310, 311, 313 (D-rung only), 314, 315, 316, 317, 318, and 321. Replacement parts maintain original duty ratiings of the ladder.

Kit includes 1 lock assembly, 2 lock springs (1 RH spring and 1 LH spring), and all necessary hardware for installation. Made in the USA.