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Jack Richeson® Best Corner Key Kit - Pack of 4
Product Number: 9738531
A quick and easy fix for wrinkled canvas as the result of improper stretching technique or the warping of time. Keys take the place of wooden corner keys that may fall out or harm the canvas, ensuring a tight canvas fix. Simply install on all four corners of the back side of your canvas, then turn the nuts with a wrench to make your canvas tight. Keys act to evenly expand the stretcher joint, which in turn tightens the canvas surface. Includes four keys with screws.