This combo style tool is machined in house from 303 stainless steel for the divot tool and a removable ball marker with a blue titanium clip retainer. The ball marker spins within the frame using a ceramic detent ball, and has a dice and yes/no feature on the back of the marker. 
 
Marker Size: .975" diameter x .100" thick (not including post/stud)
Tool Body Size: 3.25" long x .800" wide x .280" thick  .115" thick prongs (not including marker dimensions)