Kohler K-706000 Guía De Instalación Y Cuidado página 14

#8-18 x 1-1/2"
11. Secure the Cleats
Secure each cleat to the wall using two #8-18 x 1-1/2" screws.
Make sure the cleats are level. Loosen the screws and adjust the cleat position if needed.
NOTICE: The second set of holes can be used if the cleat is not level. Repeat step 10 if needed.
1314827-2-B 14 Kohler Co.