The MILWAUKEE SPEED SEAMER features 9.5mm (3/8") and 25mm (1”) markings for the most common HVAC folds, allowing the user to create faster, more accurate bends in ductwork. The MILWAUKEE SPEED SEAMER is forged for durability and longer life. The SPEED SEAMER also features a chrome-plated head for maximum rust resistance. The SPEED SEAMER handles feature a symmetrical design for a more comfortable and secure grip when folding metal under-handed and over-handed.