Double Sided, Trowel, Cold Rolled 9" x 4" Steel Blade For Longer Wear, High Impact Black Plastic Handle, Designed With 2 Notch Sizes To Cover A Wide Variety Of Installation Applications, Notch Size: 1/16" x 1/16" x 1/16" Square Notch & 1/16" x 1/32" x 1/32" U-Notch.