This package carries (a)-(e): 

(a) 1 Piece of B10 (3/8" / 10 MM) diamond radius bullnose / half bullnose router bit for 10 MM High or Thick stone concrete (5/8"-11 Thread arbor).

(b) 1 Piece of 1 3/8" Diamond core bit / hole saw for stone concrete hole cutting (5/8"-11 Thread arbor).

(c) 1 Piece of 5" Diamond segmented blade for stone concrete cutting (inner hole diameter 7/8"-5/8").

(d) 1 Piece of 4" aluminum pad holder (5/8"-11 Thread) with 1 Piece of 4" Diamond Turbo Row Grinding cup (velcro backed) = a Turbo grinding cup wheel.

(e) 1 X 4 1/2" / 115 mm Diamond Tuck Point Blade (segment thickness 1/4")  removal of mortar joints in brick, block or stone of exterior building surfaces, interior floors and walls, giving you the freedom to repair and resurface almost any type of concrete and masonry.