Use with oetiker pex pinch clamps 3/8 inch, 1/2 inch, 3/4 inch and 1 inch Also for use on Apollo pex and Murray pex pinch clamps 3/8 inch - 3/4 inch Not for use with zurn qickclamp crimp rings Meets astm f-1807n what's in the box: Conbraco 69ptkg1096 pex quick pinch clamp tool