A pivot mechanism for use with a surgical device includes a first jaw member, a second jaw member, and a pivot pin. The first jaw member includes at least one circular aperture. The second jaw member includes at least one square-like aperture. The pivot pin is configured to engage the at least one circular aperture of the first jaw member and the at least one square-like aperture of the second jaw member such that the first jaw member is pivotably coupled to the second jaw member.