The H404CS Spark-Duty C-Clamp from WALTER MEIER MFG INC WMH TOOL GROUP features a 0 to 4-inch opening capacity, making it ideal for various clamping applications. Constructed from drop-forged steel, this high-visibility clamp is designed for durability and strength, suitable for both industrial and workshop environments. Its spark-duty rating ensures it can withstand high temperatures and harsh conditions, making it a reliable choice for metalworking and fabrication tasks. This clamp meets ANSI standards for safety and performance.