The KUKKO QUALITY TOOLS INC Malleable cast iron screw clamps VIRIDIS feature a comfortable 3K grip and measure 300 x 100 mm, making them ideal for heavy-duty clamping tasks. Constructed from high-quality malleable cast iron, these clamps provide exceptional strength and durability, ensuring they withstand rigorous use. The ergonomic grip enhances user comfort, allowing for extended use without fatigue. These clamps are perfect for woodworking, metalworking, and other applications where a strong, reliable hold is essential. Their robust design and reliable performance make them a valuable addition to any workshop.