[Specifications]・Material Type: Special tool steel, rolled, oil-hardened・Handle Type: Multi-component[Features]・Used to join metal section sheets used in dry walling with a lock seam・For U- and C-shaped sections with max 3/64" (5/64 x 1/64) metal (1.2 mm; 2 x 0.6 mm)・Minimal handforce required due to optimum lever transmission