Top Spin 
sp 856‑314
(Ø1.4 mm x 8 mm)
With a 1.4 mm head, this Top Spin bur delivers slightly more cutting power while maintaining the same spiral design for superior cooling. It excels at smoothing axial walls and producing a polished finish in minimal time.

(Ø1.6 mm x 8 mm)
The largest Top Spin variant (1.6 mm) offers rapid reduction for broader crown preparations. Its spiral diamond pattern still ensures controlled, substance‑friendly removal and excellent debris evacuation