Abstract: An improved glazing tool including a manually operable cutting device, of a scissors-type variety, having a pair of arms mediately secured to one another by a pin for permitting pivotal movement therebetween, on one side of the pin the arms having face-to-face complementary cutting edges thereon and on the other side of the pin a pair of handles permitting manual operation thereof, one of said arms being longer than the other arm, the forwardmost portion of the longer arm having a hub with a small roller freely mounted thereon, and the opposite end of the longer arm extending rearwardly beyond the other arm forming a handle and terminating in a flat blade.