MARSHALLTOWN EIFS Corner Trowels are versatile tools essential for sealing exterior 90° corners with adhesive once your EIFS panels and mesh are in place and are designed to help you add decorative finishes. Choose between either an outside or inside Corner Trowel, and your preferred trowel size to suit your job size. Each trowel is forged from a single piece of lightweight stainless steel and shaped into a 4-1/4" blade and comes with a durable soft grip DuraSoft® handle designed to increase comfort and reduce fatigue.