Item #207G
Grooved top bars are used mainly for plastic foundation, which just snaps into the frame. These do not have a wedge strip that breaks out, only 1 groove down the middle of the top bar.
Frame replacement parts are #1 grade.
Picture order from top to bottom- Grooved Top Bar, Wedge Top Bar, Grooved Bottom Bar, Slotted Bottom Bar, Hive End Bar, Medium End Bar, Shallow End Bar