Marshalltown 16 X 4 Finishing Trowel with Curved DuraSoft Handle is a premium quality finishing trowel that uses hardened carbon steel to promote long useable life. Aluminum alloy mounting is riveted ensuring a tight mounting-to-blade fit. Extra large toe rivet bonds mounting to blade to create a superior bond. Diamond shank prevents handle from twisting. The beveled work edges prevent surface aggregate popping.