Check the listing for details. Rubi Tools Red Cobra Premium Diamond Blades ~All Sizes Available~. Condition: New. Listed at 35.78 USD. Rubi Red Cobra Premium Diamond Blades Select the blade size to purchase from the drop down tab at the top of this listing ProductsRubi Tools 4" RED COBRA Dry Diamond Blade Ref.31926 - 7/8" and 5/8" arborRubi Tools 4 1/2" RED COBRA Dry Diamond Blade 31927 - 7/8" and 5/8" arborRubi Tools 7" RED COBRA Wet Diamond Blade Ref.31929 - 7/8" and 5/8" arborRubi Tools 8" RED COBRA Wet Diamond Blade Ref.31940 - 5/8" and 1" arborRubi Tools 10" RED COBRA Wet Diamond Blade Ref.31941 - 5/8" and 1" arborRubi Tools 12" RED COBRA Wet Diamond Blade Ref.31946 - 1" arbor DescriptionThe evolution of the materials is constant and for that reason RUBI, evolves and adapts its range of diamond discs. The RED COBRA diamond disc is recommended for cutting all types of ceramic tiles, including of course, porcelain tiles. Additionally, the versatility of the RED COBRA diamond disc allows us to make cuts in a variety of materials, such as marble, granite, as well as other natural stones and even some cutting of vitreous materials. RED COBRA discs from RUBI, are continuous band discs for the best quality in cuts, but in addition, it has a steel core reinforced in the center to reduce vibrations and bending, guaranteeing a more precise cut. The steel core of the RED COBRA diamond discs has a special laser groove that reduces the stress generated during cutting. Giving it a special robustness during cutting of materials of extreme hardness and increasing the cutting speed. RUBI, puts at the disposal of the professional one of the most complete and versatile discs in the market. The new RED COBRA diamond discs use laser technology to join the diamond band to the steel core of the disc. Laser welding is the greatest guarantor of quality and safety in the production of diamond discs. AUTHORIZED DEALER