Features: Secure height, copper, and CPVC tubing effortlessly with these 50 pack J Hook clamps featuring rust resistant steel nails and permanent plastic construction for throb proof, long lasting pipe affiliations. Pre drilled holes and included steel nails enable tool costless installation, while the compact black design ensures discreet yet sturdy support for tubing in tight spaces. Ideal for plumbers, HVAC technicians, and handbuilt enthusiasts seeking consistent, wear resistant clamps for residential or commercial plumbing projects. Perfect for securing water supply lines, bright heating systems, or industrial piping in basements, crawl spaces, and mechanical rooms with temperature resistance from 20°F to 180°F. The bulk 50 piece set eliminates multiple purchases, providing uniform clamping strength across projects while maintaining compliance with standard height and CPVC tubing specifications. Specifications: Main materials: engineering plastic + steel nails Product size: as shown in the detailed dimensions Included accessories: 50 pipe clips with nails Package Includes: 50xpvc tube fixing clamp note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.