This package carries (a)-(f):

(a) 1 Piece of V10 (3/8" / 10mm) for 10mm / 3/8 Inch high / thick granite marble concrete quartz glass countertop / vanit top edge bullnosing Diamond Brazed Router Bit to do Full shape bullnose.

The inner hole of this router bit is 7/8" to 5/8".

it works with grinder or  polisher with 5/8"-11 Thread spindle.

(b) 1 Piece of V20 (3/4" / 20mm) for 20mm / 3/4 Inch high / thick granite marble concrete quartz glass countertop / vanit top edge bullnosing Diamond Brazed Router Bit to do Full shape bullnose.

The inner hole of this router bit is 7/8" to 5/8".

it works with grinder or  polisher with 5/8"-11 Thread spindle.

(c) 1 Piece of V25 (1" / 25mm) for 25mm / 1 Inch high / thick granite marble concrete quartz glass countertop / vanit top edge bullnosing Diamond Brazed Router Bit to do Full shape bullnose.

The inner hole of this router bit is 7/8" to 5/8".

it works with grinder or  polisher with 5/8"-11 Thread spindle.

Important Remind: Please make sure that your grinder or polisher speed is below 5000 RPM when using with it.

(d) One Lock Ring Nuts and wrench set (the pairs of lock ring nut is necessory to attach the router bit to your 5/8"-11 thread spindle grinder / polisher).

(e) 1 piece of 4" Velcro Backer / Pad Holder (5/8"-11 Thread). 

Important Remind: Please make sure that your grinder or polisher speed is below 5000 RPM when using with it.

(f) 8 Pieces of 4 Inch Diamond Polishing Pad for granite marble glass stone concrete (wet and dry use, wet use recommended):

1 X Grit 50 100 200 400 800 1500 3000 10000.