The 5" blade is made from carbon trowel steel for strength and flexibility. This margin trowel is then tempered, ground and polished for a perfect balance. The flat 1-1/2" blade is ideal for mixing, scraping, patching and repair. A handy tool for your everyday needs. The 4-1/2" soft grip handle creates a comfortable and consistent grip. Quality steel and comfortable handle allow for a long life for this versatile tool.