RYOBI 40 Volt HP Brushless Whisper Series 21 in. Walk Behind Self Propelled All Wheel Drive Mower Trimmer 3 Batteries Chargers Vinyl Fence Line Post and measuring tape will be and measuring tape will be helpful during installation 2 Nail Fin Integrated Design Pressure (DP) Rating 35 Number of Locks 1 Frame Material Vinyl Obscure Glass No Frame Profile Flat Paintable No Glass Strength Annealed Project Type New construction Glazing Type Double pane Roller Type Monorail glide system Grid Included No Sash Configuration 2 lite Grid Pattern N A Sash Operation (Exterior View) Left operable Grid Profile N A Screen Frame Type Extruded Grid Type N A Screen Included Full Impact Resistant No Screen Type Fiberglass mesh Insect Screen Included Yes Solar Heat Gain Coefficient (SHGC) 0 Adjustable Handlebar Q: What type of maintenance does the mower require