The WAL-BOARD TOOLS Cornerbead Tool is made of durable aluminum and helps center the cornerbead for mud distribution without the need for nails. One hit from the included rubber mallet will crimp the cornerbead tightly and accurately in place. You have the option of the Cornerbead tool with or without the mallet and a bead size of 1-1/8” (29 mm) or 1-1/4” (32 mm).
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WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov