Aluminum: Made of thick, pure aluminum. This link style adds an extra link every other one, making it easy to carry more water to the ground. 1-7/16" Wide x 2-1/2 Tall x 1/4" Thickness Copper: Made in pure solid copper, features an extra link inset into the chain. Provides superious water flow than a single link chain. 1-1/2" Wide x 2-1/2 Tall x 1/4" Thickness
