Record Irwin 120 Heavy-Duty G Clamp 100mm (4 in) REC1204 A popular general purpose clamp for heavy-duty applications..For use in wood and metal working and other trades .Strong ribbed cast steel frame with stove enamel finish.Quality steel screw and drop handles.Size 102mm (4 in) Throat depth 60mm (2 3/8 in) REC1204