Grade 1 Exit Trim for 22 Series Devices, Classroom Function, Knob with Escutcheon, Field Reversible Escutcheon plate size: 3" x 4 25⁄32" x 3⁄32" (76 x 121 x 2 mm) Projection: 2 15⁄16" (75 mm) ANSI function: 08
The 210K knob trim has a 10 gauge (2.4 mm) steel escutcheon and uses the Schlage “A” orbit knob with six pin “C” keyway.