Material: aluminum, brass ( composition metal ), bronze.

Brass vs Bronze vs Copper: Examining Their Differences

Brass vs Bronze in Laser Cutting

Applications of Aluminum Bronze

Muntz Metal / Naval Brass - Sheet & More - Polished Metals

Brass Vs Bronze, What is difference and Their use?

Stainless Steel, Bronze, Brass, or Aluminum: How to Choose Handle Materials

All About Manganese Bronze – Strength, Properties, and Uses

Brass Products, Metal Associates

Aluminum Bronze Wear Plates- The Superior Choice of Material - National Bronze Manufacturing

Alloy - Wikipedia

The Ultimate Guide to Metal Comparison

RollSpin-The First-Ever of a spinning top & anti-stress ball by RollSpin » FAQ — Kickstarter

Bronze Alloys - Sequoia Brass and Copper

Metal Comparisons: Brass vs Bronze - Sequoia Brass and Copper

Brass vs Stainless Steel: Know the Difference before Making a Purchase

Table 1 from Effect of Replacement of Lead by Tin on The Properties of Yellow Brass ( Cu-Zn ) alloy

Table 1 from Burr Dimension Analysis on Various Materials for Convenantionally and CNC Drilled Holes

China Copper Alloy Material Code and Composition Chart, China brass valve manufacturer, Brass Fittings Producers -NAFCO

Brass vs Copper: Color, Price, Hardness