Prime-Line H 3514 Casement Operator, 9 in., Aluminum, Left Hand

Replacement Use: Replaces worn or damaged left-hand operators on older steel-framed crank-out casement windows to restore smooth opening and closing performance | Dimensions & Compatibility: Features a 9 in. operating arm and installs using mounting holes spaced 3-7/8 in. and 4-3/4 in. on center; designed for left-hand applications viewed from indoors looking outward | Materials & Components: Diecast housing and crank handle, hardened steel arm, precision worm gear mechanism, aluminum-painted finish, installation fasteners, and matching crank handle included | Key Features: Left-hand operator design, square-body housing, durable worm gear drive system, corrosion-resistant finish, and dependable replacement performance for older steel-framed casement windows | Fit Guidance: Verify operator handing, spindle size (3/8 in.), mounting hole spacing, arm length, and body style against your existing hardware before purchasing; review the line drawing to ensure compatibility, as fitment is not universal | Installation Hardware Included: Comes complete with all necessary installation fasteners and a matching crank handle for convenient setup and immediate use upon installation