This is NOT a universal part, please do not order as an experiment. Please see pictures and read measurements. ONLY fits in holes that are about 1.16" (29.5mm) in diameter. Please check the diameter of the hole BEFORE ordering. This is NOT compatible with Faberware & Primula Compatible with Coletti Bozeman and Coletti Butte 9, 12 and 14 cup coffee percolator pots Compatible with Coleman Percolators, GSI Percolators, Eurolux Percolators, Stansport Percolators, and Texsport Percolators Quality part by Univen, a family owned American business Univen heavy duty glass coffee percolator knob top. Package of 2 heavy duty, heat resistant, dishwasher safe glass knob tops. Compatible with Coletti Bozeman and Coletti Butte 9, 12 and 14 cup coffee percolator pots. Compatible with Coleman Percolators, GSI Percolators, Eurolux Percolators, Stansport Percolators, and Texsport Percolators. This is NOT compatible with Faberware & Primula. Measures 1.25" (32mm) in height and the diameter of the shaft is 1.10" (28mm). Fits in holes that are about 1.16" (29.5mm) in diameter. This is NOT a universal part, please check model number, pictures and measurements BEFORE ordering. Quality part by Univen, a family owned American business.