This is the only one we have that will replace the old, obsolete 13.5" Single Arm MILA Casement Operators. Only possible replacements for Old Mila Operators and may take some field fitment. Most commonly used on the windows out west - Available in a Left-Hand and Right Handed Casement Operator Model AS SHOWN BELOW with 13 1/2" ARM Length; Shipped complete with #BB-PP.454 crank handle and screws. NOTE: Only identifying stamp on old units say: MILA PAT PEND. 

Specify Left-Handing or Right Handing in the "comment section" at checkout.

NOTE: Old Mila Unit Shown in Top Picture is a RIGHT HANDING.