Versatile Compatibility: Perfectly suited for R7S lamp types, these holders accommodate a wide range of LED lighting and heating tubes, making them a versatile choice for different lighting needs. Safe and Efficient: Designed without the use of high-concern chemicals, these lamp holders are ideal for both residential and commercial environments, promoting safety and environmental health. and Material: Crafted with a robust metal base, ensuring a blend of durability and reliability for long-term use in various lighting setups. Professional Application: These lamp holders are not only suitable for home and use but also excel in environments like test machines, providing reliable performance under demanding conditions., Weight: 0.11464037624 Pounds, Manufacturer: Gishbjka