CT-106 is a cast brass platform caster with an brushed steel finish. The wheel is 15/16"diameter by 2"wide. The stem is 1"long with a 1/4"diameter. The platform has a 1-1/8"diameter No Socket Necessary. Caster attaches with three mathing screws (provided) through bottom of platform. Elevates furniture 1-3/8" when installed. Casters are often overlooked in the restoration process. They aren't the most exciting part of our new project, but the make a signigicant differnce in the funciton of your piece as well as being one of those small details that make the different between good and stellar.