A circular saw comprising: a housing; a motor disposed within said housing and configured for rotating a circular saw blade rotatably driven by said motor; a foot; and a saw blade depth and/or bevel angle adjustment detent mechanism (26, 64) including at least one of: a saw blade depth adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of saw blade depths relative to said foot, said saw blade depth adjustment detent mechanism including a saw blade depth detent and a saw blade depth of cut bracket having a plurality of spaced saw blade depth recesses; and a saw blade bevel angle adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of bevel angles, said bevel angle adjustment detent mechanism including a bevel angle detent and a bevel angle quadrant bracket having a plurality of spaced bevel angle recesses; characterised by: said saw blade depth adjustment detent having a pivot axis on one end and a transverse ridged portion spaced from said pivot axis and being pivotally biased against said bracket and each recess being matingly and releasably engageable with said ridged portion of said saw blade depth detent to provide predetermined saw blade depth settings within said range of saw blade depths upon pivoting of said housing relative to said foot; and said bevel angle detent having a pivot axis on one end and a transverse ridged portion spaced from said pivot axis and being pivotally biased against said bevel angle quadrant bracket and each recess being matingly and releasably engageable with a ridged portion of said bevel angle detent to provide predetermined bevel angle settings within said range of bevel angles upon pivoting of said housing relative to said foot. a housing; a motor disposed within said housing and configured for rotating a circular saw blade rotatably driven by said motor; a foot; and a saw blade depth and/or bevel angle adjustment detent mechanism (26, 64) including at least one of: a saw blade depth adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of saw blade depths relative to said foot, said saw blade depth adjustment detent mechanism including a saw blade depth detent and a saw blade depth of cut bracket having a plurality of spaced saw blade depth recesses; and a saw blade bevel angle adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of bevel angles, said bevel angle adjustment detent mechanism including a bevel angle detent and a bevel angle quadrant bracket having a plurality of spaced bevel angle recesses; a saw blade depth adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of saw blade depths relative to said foot, said saw blade depth adjustment detent mechanism including a saw blade depth detent and a saw blade depth of cut bracket having a plurality of spaced saw blade depth recesses; and a saw blade bevel angle adjustment detent mechanism pivotally interconnecting said foot to said housing such that the circular saw blade is adjustable to said foot through a range of bevel angles, said bevel angle adjustment detent mechanism including a bevel angle detent and a bevel angle quadrant bracket having a plurality of spaced bevel angle recesses; said saw blade depth adjustment detent having a pivot axis on one end and a transverse ridged portion spaced from said pivot axis and being pivotally biased against said bracket and each recess being matingly and releasably engageable with said ridged portion of said saw blade depth detent to provide predetermined saw blade depth settings within said range of saw blade depths upon pivoting of said housing relative to said foot; and said bevel angle detent having a pivot axis on one end and a transverse ridged portion spaced from said pivot axis and being pivotally biased against said bevel angle quadrant bracket and each recess being matingly and releasably engageable with a ridged portion of said bevel angle detent to provide predetermined bevel angle settings within said range of bevel angles upon pivoting of said housing relative to said foot.