Important Remind: 

The router bit, core bit arbor is 5/8"-11 Female Thread.

FREE SHIP (United States)

This package carries (a)-(c):

(a) 1 Piece of 1 3/8" / 35 mm Diameter (5/8"-11 Female Thread arbor) 

Diamond Ultra High Segment Core Drill Bit / Hole Saw for concrete granite travertine (5/8"-11 Thread arbor).

core bit color is random: red or blue or silver.

(b) 1 Piece of B30 (30 mm / 1 1/4") 

Radius / Demi / Half Bullnose Diamond Brazed Router Bit/Profile for 30 MM High or Thick granite concrete travertine (5/8"-11 Female Thread arbor). 

(c) 1 Piece of V25 (25 mm / 1") 

Full Bullnose Diamond Brazed Router Bit/Profile for for 25 MM High or Thick granite concrete travertine (5/8"-11 Female Thread arbor).