This Rockler Trim Gauge makes it easy to install trim molding around doors and windows. Tuck it into the corners of your window or door frame to mark the lines for your 3/16'' reveals. Then hook your tape into the slots to measure the precise length of the inside edge—no calculations needed. Finally, clamp it to your trim to transfer the measurements. With clear locating lines on the jamb and casings cut to just the right length, you'll be assured of consistent reveals on all sides. Integral rare-earth magnets hold your tape firmly in the slots while measuring. Durable, lightweight polymer construction in a size that fits nearly in your apron pocket.
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