Prime-Line J 4530 Commercial Door Lock 1-5/32 In. x 1 In. Pressure Cast Zamak Aluminum Plated (Single Pack)
This mortise thumbturn is constructed of heavy duty cast zamac and comes in an aluminum finish. The cylinder measures 1 in. in length and features a standard thread of 1-5/32 in. x 32. This item includes one thumbturn with one 1/4 in. thick trim ring. This item is used with commercial deadbolt lock mechanisms by many manufacturers.