This pack carries (a)-(d). Side Handle and D Handle included, 5/8-11 thread spindle, 1000 Watt. We have attached 3 extra pairs of carbon brush in this package. Carbon brush is consumable parts of all types of polisher or grinder. They need to be replaced when they are exhausted, otherwise polisher stop working. Many other sellers DO NOT attach the lock ring. (b) 28 Pieces of 5 Diamond wet dry (wet use recommended) Polishing Pad for stone concrete granite quartz marble terrazzo travertine. 6 X Grit 50 100. 5 X Grit 200 400. 2 X Grit 800 1500. 1 X Grit 3000 6000. And 1 X 5 Aluminum backer/Pad Holder. (c) 1 Piece of 5 Diamond Turbo Row Grinding Cup Wheel. (d) 1 Piece of the 4″ to 5″ Dust Shroud. Emovable front edge of shroud make it possible to grind close to wall or edge. It captures up to 99.4% of airborne particles for outstanding dust control that preserves air quality and protects the user from harmful working environment. It fits all 4″ or up to 5″ grinder/polisher.