Constructed of high-impact material for long life. Cuts on 22-1/2 deg., 45 deg., and 90 deg. angles. Molded lip on base edge reduces twisting. Built-in stop helps to prevent cutting into mitre box. Base can be mounted to work top. Base design and cam ring secure work for accurate cuts. Two mounting holes in base for easy, staple use. Cams store in base for easy storage. 2 cam pins and 14" backsaw included.