Features: Brand new and high quality The Soldering Block is crafted from quality quartz, ensuring safety and long term use. This block has excellent heat insulation and resistance to extreme temperatures, making it resistant to cracking. Suitable for professional jewelers, jewelry making factories, and enthusiasts, this Soldering Block is a valuable tool for temperature soldering of metals. Whether you're crafting jewelry, engraving metal, or creating handmade crafts, this compact and portable Soldering Block is perfect for your needs. Experience efficient soldering with the unique honeycomb structure of this Soldering Block, providing excellent heat dissipation and enhancing your soldering efficiency. Specifications: Component:Quartz Type:S/Medium/Large/XL/Single Size S Size:Approx.105x13mm/4.13x0.51inches Medium Size:Approx.130x13mm/5.12x0.51inches Large Size:Approx.150x13mm/5.91x0.51inches XL Size:Approx.160x13mm/6.3x0.51inches Single Size:Approx.150x13mm/5.91x0.51inches Package Includes: 1Piece Soldering Block note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!