![[RAY FOSTER] Saburtooth carbide burs](https://apexontech.com/wp-content/uploads/2025/05/A420-700x460-1.jpg)
Fast and easy removal of the arch or palate areas of gypsum and stone models is accomplished with Ray Foster Model Arch Trimmer and SaburTooth Carbide Burs.
Item No.:
Cylinder 3/4″ Dia. x 1-1/4″, Coarse: A420
Taper Cylinder 3/4″ Dia. at Base x 1-1/4″, Coarse: A421
Cylinder 3/4″ Dia. x 1-1/4″, Fine: A422
Taper Cylinder 3/4″ Dia. at Base x 1-1/4″, Fine: A423
![[RAY FOSTER] Model Arch Trimmer](https://apexontech.com/wp-content/uploads/2025/05/MR20-650x400-1-400x400.jpg)
![[RAY FOSTER] Set Screw, Back Plate Retaining](https://apexontech.com/wp-content/uploads/2024/06/jenny-6-400x400.png)
![[RAY FOSTER] 12" Model Trimmer](https://apexontech.com/wp-content/uploads/2025/05/MT12-700x460-1-400x400.jpg)
![[RAY FOSTER] Replacement parts for Model trimmers](https://apexontech.com/wp-content/uploads/2025/05/BD-8-400x400.png)
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