ROBERTS Economy Dual Notch Flooring Trowel is manufactured for the application of ROBERTS 2057 Vinyl Composition Tile Floor Adhesive, Roberts 7350 Universal Flooring Adhesive, Roberts 2310 Resilient Flooring Adhesive for Fiberglass Sheet Goods and Luxury Vinyl Tile, and ROBERTS 7399 Universal PLUS Adhesive. This trowel is dual sided with a durable 1/16 in. x 1/32 in. x 1/32 in U-Notch and a 1/16 in. x 1/16 in. x 1/16 SQ-Notch steel blade and a high-impact black plastic handle that provides a firm, comfortable grip. 12 trowels per case.