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Stackable 1.5° Grab Bar Flange Taper Shim

An 84 mm round tapered shim, 2.0 mm thick on one edge and 4.2 mm on the other, giving 1.5° of correction. It goes behind a grab-bar flange (up to about 3 in across) on an out-of-plumb or bowed tile wall so the bar sits square and doesn't rock. Three 5.5 mm radial slots cover screw circles from 48 to 68 mm and clear #10 (4.8 mm) screws. A V-notch marks the thick edge, so you can stack two shims with the notches lined up for 3°, or turn one to point anywhere you need.