Baldwin 0340.102 Non-Handed Dutch Door Quadrant, Oil Rubbed Bronze Dutch Door Quadrant has double the tensile strength of ordinary sand castings Assembled with special self lubricating nylon washer for positive constant tension When bolt is in locked position, both pivot and keeper are in straight line Base: 2 1/2"W x 1 1/2"H Overall: 4"W x 4 3/4"H Self lubricating nylon washer for constant tension