This package carries (a)-(e):

(a) one 4 GB USB, it includes two video, one of it is "How to Fabricate Granite countertop DIY Undermount sink", the other is "How to Fabricate Granite Countertop DIY, Profile & Polish).

If you buy them on Ebay,they cost about $45.

(b) 1 Piece of 4" to 5" (110V, 5/8"-11 Thread, 2018 New Version 1000W) Wet Variable Speed Polisher (Special remind: all the polisher we are selling are with lock ring, so this polisher can use with saw blade and cup wheel. many other sellers DO NOT attach the lock ring).

And 

(c) 36 Pieces of 4" Diamond Polishing Pad:

7 X Grit 50 100 200 400,

3 X Grit 800 1500,

2 X Grit 3000, 

And 1 X 4" Aluminum Velcro backer/Pad Holder).

(d) 2 Pieces of 4" Professional Grade Glazing Buff Pad (they bring granite marble stone mirror like polished effect)

(e) 1 Piece of V10 (10 mm / 3/8"), and 1 Piece of V30 (30 mm 1 1/4")

Full Bullnose Diamond Brazed Router Bit/Profile Wheel.

Details of this polisher: (1000-4500 RPM adjustable,110V, 1000 Watt, 5/8"-11 Thread spindle, GFCI Interrupter, Water Valve and hose, Extra Carbon Brush Set, Splash Guard.)