Bis-Tris precast gels are widely used in protein electrophoresis due to their ability to provide superior resolution and sharper bands compared to traditional Tris-glycine gels. These gels are particularly effective for separating proteins with molecular weights ranging from small to medium sizes, making them ideal for applications such as Western blotting, protein characterization, and quality control in research and diagnostic laboratories. The 4-20% gradient allows for a broad separation range, accommodating proteins of varying sizes within a single gel. The 11-well format is suitable for running multiple samples simultaneously, enhancing efficiency and throughput. The 1.0mm thickness ensures optimal transfer during blotting procedures while minimizing background noise. The plastic backing provides durability and ease of handling, reducing the risk of gel damage during processing. Overall, Bis-Tris precast gels are a reliable and convenient tool for achieving high-quality protein separation in diverse scientific applications.