THUMB.TAC trim Reveal Tool: Product Description: Introducing the THUMB.TAC Trim Reveal Gauge, a precision-engineered tool that revolutionizes trim and window installation work. This professional-grade gauge features ¼ inch offset reveals on three sides and a ¾ inch offset on the bottom, perfect for window sill installations. Crafted using advance powder-bed fusion technology, this solid-core nylon tool delivers injection-molded quality and exceptional durability for both professional tradespeople and DIY enthusiasts. The innovative thumb-style pocket design provides superior tactile feedback, ensuring precise contact with the jambs during measurement and installation. At 2.88 inches tall by 1.80 inches wide, this compact yet robust tool is designed by Morph.3D, LLC and manufactured in the USA! The thoughtful design combines practicality with precision, making it an invaluable addition to any craftsman tool kit for years to come.