Diablo Masonry Cut Off Blade DMADS0900 9 Inch Segmented (6650 RPM 7 8 or 5 8 Inch Arbor Concrete Rebar Brick and Block Cutting) Chainsaws each cutter incorporates an integrated each cutter incorporates an integrated safety collar flange that physically stops over drilling to protect sensitive wiring and internal components 2 mm) Load Chain Grade & Finish Grade 80 Heat Treated Alloy Steel with Black Oxide Finish Mechanical Braking System Weston Style Dual Pawl Mechanical Load Brake Hook Configuration 360° Drop Forged Swivel Hooks with Overload Stretch Indicators Latch Hardware Type Heavy Duty Cast Steel Safety Latches Internal Bearing Support High Precision Needle Bearings on Load Sheave Housing Material Metallurgy Impact Resistant Heavy Gauge Stamped Alloy Steel Assembled Net Tool Weight 35 Hardened Disc Body: Advanced steel core absorbs kinetic vibration and improves impact resistance for straighter Hardscape Infrastructure: Executes precise cuts on stone and concrete pavers for custom outdoor hardscaping and pathway installations