Irwin Record Sash Clamps No135 tb56a
	Heavy duty clamps for use on large work pieces where maximum clamping force is required Slide and head guaranteed unbreakable Hard wearing rolled thread helps apply pressure quickly and smoothly Sash clamp slides and head are flat bottomed so that the clamp stands without support Primarily designed for clamping large work pieces during fabrication and glueing in joinery, carpentry and boat building. Cast iron head and slides with large thrust surfaces. High quality steel bar handle, screw and pin