Mechanical Surface Grout Packers
Designed to connect the grout hose to sound material for slabjacking and voidfilling. Comes complete with hose coupling, shut off valve, spinner and expandable rubber end. 
Available in standard diameters of 1 1/2″, 1 3/4″, 2″, 2 1/2″ and 3″. 
Standard lengths 300mm & 600mm, longer upon request.