ZDD Universal 1/2 You will get 100pcs 20mm half clip J-hooks with nails, which are used for 1/2 pipe holder, they are enough for your various uses and replacements Durable PE MaterialCable wire clips are made of high-quality environmentally friendly plastic, which is corrosion resistance, ageing resistance and acid resistance Strong Steel NailsThe j clamps are made of high-quality high-carbon steel, with special treatment, high hardness and good toughness. Not easy to bend or damage when impacted. The spikes make it easy to pass through walls Easy to UseThe half clamp j-hook design facilitates quick and easy installation and securing of pipes. It is an ideal solution for wiring and fixing PEX pipes Widely ApplicationOur J clamps can be compatibled with tubing, copper, and most other pipes, suitable for wooden surface, cement walls, brick walls, studs, joists, plywood, subfloor, etc Features: 1.Package includes 100pcs 20mm J clamps for 1/2 tubing pipe support 2.Made of high-quality environmentally friendly plastic, which is corrosion resistance, ageing resistance and acid resistance 3.The nails are made of high-quality high-carbon steel, with special treatment, high hardness and good toughness 4.Not easy to bend or damage when impacted. The spikes make it easy to pass through walls 5.Each of wire fasteners has a size label on the top. You can easily identify them 6.Compatible with tubing, copper, and most other pipes, suitable for wooden surface, cement walls, brick walls, studs, joists, plywood, subfloor, etc Specifications: Item name:1/2 Half Clamp J-Hook Material: Durable plastic+high-carbon steel Color: White Compatible with: 1/2 tubing Package size: 8 x 6.5 x 1.5in Package weight: 0.7lb Package list: 100 x 1/2 Half Clamp J-Hook with Nail