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The DURO DYNE 8063 QUADLINE Square Quadrant Set is a steel component designed for use with dampers up to 30 inches. This "Shaft Loc" quadrant features a 1/2 inch shaft and is engineered to clearly indicate damper position. Its unique handle securely locks the damper shaft using a powerful friction device, preventing rattle and ensuring stable operation. The shaft is easily locked with a 1/2 inch open end wrench.
Heavy gauge steel quadrant set with a 1/2 inch shaft for secure damper positioning and rattle elimination.
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