A tool for application of a haemostat to a site of bleeding comprises a cylindrical barrel (10), a plunger (11) slidable in the barrel, the barrel (10) having an outlet end (18). The outlet end (18) may be configured as a cone or rounded end with a central aperture (19) and longitudinal slots (20) in a cruciform arrangement, or may be left open. The barrel may have a slot (39) alignable with a slot (37) in an inner member for insertion of a haemostat body (40) in the barrel. The barrel and plunger may be separable for insertion of the body into an open end of the barrel.