VEVOR 12 Inch Stroke Electric Actuators DC 12V with Mounting Bracket Heavy Duty 6000N/1320LB Actuators for Recliner TV Table Lift Massage Bed Electric Sofa
The minimum hole-to-hole installation distance is 475mm and the maximum hole-to-hole installation distance is 775mm, 775-475=300mm. Please refer to it.
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https://www.vevor.com/linear-actuators-c_11633/6000n-linear-actuator-12v-electric-motor-1320-lbs-auto-lift-window-door-opener-p_010968673559