Perfect tool for finishing last layer of drywall mud on inside corners. Flexes to create perfect 90 degree angle Makes for more smooth corners and less sanding work needed as corner trowel clears any excess mud High grade stainless steel for great control and durability Ergonomic padded rubber handle for added comfort and grip Lifetime warranty Edward Tools Drywall Corner tool is the best tool for finishing inside corners of drywall and will cut you corner sanding time in half. The stainless steel one piece designs flexes to create the perfect 90 degree angle and make for the perfect corner. The handle of this corner trowel is an ergonomic rubber design for increased comfort and grip. Like all Edward tools, this sheetrock corner tool comes comes with a lifetime warranty.