These hose clamps are manufactured from zinc coated iron with a worm drive & are ideal for clamping a garden hose to tap or spray nozzle plus many other applications. To adjust the band diameter, simply release or tighten the bolt with a flat head screwdriver. Set contains following sizes:-
3 x 6-16mm
3 x 16-25mm
3 x 18-32mm
3 x 27-51mm