6 Pack, 1/2-Inch x 4-Inch Copper Tube Size Baby J-Hook Pipe Holder, Supports Copper, CPVC, PB And PEX Water Supply Lines From Joists Or Rafters, Design Snaps Pipe Into Place Before Attaching To Joists Or Rafters, Nail Holes On All 4 Sides, Made Of High Impact ABS, Nails Included, Poly bag.