-Screw on Buttons 4-40 Type
.90 Duel Superconductor Buttons
-Etch on both buttons
-Level Cut concave
-Both Buttons have matte finish
Green on both sides
THIS IS FOR THE BUTTONS ONLY
These fit r188 bearing Spinners that have a flush or near Flush bearing fit. These are fitted to Stubby Style Rotablades but fit many r188 Bearing Style Spinners.