Thomas & Betts Kindorf® Corner brace features 1/4-Inch steel construction with corrosion-resistant Galv-Krom® finish for long lasting durability. It measures 18-3/4-Inch x 25-1/8-Inch x 1-1/2-Inch. Corner brace has bolt hole diameter of 9/16-Inch. It is suitable for use with Kindorf® channels.