Gear / Shaft / Pulley Connector Square Key Stock Assortment - Red Boar Chain & Fastener Questions Gear Pulley Connector Key Bar 7/8" X 7/8" X 12" Square Steel Key Stock (Bar), Precision Key Stock, Cold-Drawn Steel Bar, Undersized - Plain Finish 7/8 Inch Square Steel Key Stock 12 Inch Long Shop cold rolled 1018 steel square bars. High-quality material with excellent surface finish and machinability. Available for fast shipping Perfect for Use in Small Manufacturing Runs, Custom Builds, and Aftermarket Repairs About this item 7/8" x 7/8" Square x 12" Long Steel Bars, Cold-Drawn Steel Bar Undersized Key Stock (12") Perfect for Use in Small Manufacturing Runs, Custom Builds, and Aftermarket Repairs Gear / Shaft / Pulley Connector See more product details Report an issue with this product 7/8 x 7/8 x 12 Square Steel Key Stock (Bar), Precision Key Stock, Cold-Drawn Steel Bar, Undersized - Plain Finish.