1 1/4 Clinch On Tool

The Original Drywall Cornerbead Tool Clinch-on Drywall Cornerbead has long been the recognized name brand in clinch on drywall corners, and the Clinch-on tool is a proven winner for drywall corner bead installation. You Save Time! It takes as little as 12 seconds installation time per 8′ corners, insuring a smooth, flush corner.1 1/4 Clinch-On tool is operated by a spring loaded arm. A sharp blow from a rubber mallet drives the cornerbead on tight, centers it and clinches it in position without nails or screws.1 1/8 Clinch-On tool is operated by a spring loaded arm. A sharp blow from a rubber mallet drives the cornerbead on tight, centers it and clinches it in position without nails or screws.