The 404-4.5 Copper Jaw Caps from WALTER MEIER MFG INC WMH TOOL GROUP are designed to protect and enhance the gripping capabilities of your vise. With a jaw width of 4-1/2", these caps are made from high-quality copper, providing excellent durability and resistance to wear. They are ideal for clamping delicate materials without causing damage, making them perfect for metalworking and woodworking applications. Easy to install, these jaw caps ensure a secure fit and are compatible with various vise models. Meeting industry standards, they are a reliable accessory for any workshop.