Various types of precision polishing laps and pads used in lapidary work, metalworking, and other precision polishing applications. Each type of lap or pad serves a specific purpose, and the choice depends on the material being polished and the desired finish. The brief overview of each:

Phenolic Polishing Pad: Phenolic is a type of synthetic resin that is often used as a base material for polishing pad. These Phenolic​ pads are versatile and can be used with various abrasive compounds for polishing metals, plastics, and other materials.

Leather Polishing Pad: Leather polishing pads are used for achieving a fine and high-gloss finish on materials like jewelry, gemstones, or metal. They are often used in jewelry making and watchmaking.

Zinc Polishing Lap: Zinc polishing laps are commonly used in lapidary work for faceting gemstones. They are used in combination with diamond grit to grind and polish gemstones to specific angles and facets.

Felt Polishing Pad: Felt polishing pads are used for high-gloss polishing and buffing of metals and other materials. They are often used in metalworking and woodworking to achieve a shiny and smooth surface.

Tin Polishing Pad: Tin polishing laps are used in a similar manner to zinc laps in lapidary work. They are used for grinding and polishing gemstones, especially when working with softer materials.

Copper Flat Lap: Copper flat laps are widely used in lapidary and glassworking. They are designed for grinding, smoothing, and polishing glass, stones, and other hard materials. Copper flat laps are often used with diamond abrasive compounds for precision work.

Each of these precision polishing laps and pads has specific properties and characteristics that make them suitable for particular applications. The choice of which one to use depends on the material you're working with and the desired level of finish.