?Get miter saw quality from your circular sawCrosscut up to 12? wide (305mm) and make a variety of miter cuts from 0? to 45?Cut material up to 1 ?? thickMDF base and Sure-Cut? backboard act as sacrificial surface for splinter-free cuttingA kerf line you cut into the MDF base shows exactly where your saw will cutMaterial support wings with detachable blocks add offcut support for long piecesCompatible with left- or right-blade circular saws with blade diameters ranging from 6 1/2? to 7 1/4?Compact design sets up quickly and easily stores awayAdjustable fence and molded-in angle alignments set up miter cuts with precisionMaterial hold down clamps help keep workpiece secured in place