It has directed air flow that diverts dust away from vital components

2 LXT Lithium-Ion 18V Batteries

Large paddle switch for easy operation

0Ah battery (not included) provides up to 120 cuts per charge

porous tiles

Diamond Products 74967 Star Blue 4-1/2" Segmented Tuck Point Diamond Blade SKU - MRC23EVSK It has directed air flowFor Brick & Block Mortar Joints Star Blue diamond blades offer good quality diamond and good cutting value. For use on angle grinders and circular saws. Standard Equipment: (1) 74967 4 1 2" Segmented Tuck Point Diamond Blade Specifications: Diameter: 4 1 2" Kerf: 0. 250" Arbor: 7 8" Diamond Depth: . 400" (10mm) Segment Height: . 350" (13mm) Features: General purpose tuck pointing in mortar joints