All Keystone Casting Rings are made of a stainless steel. Even after facing repeat heat applications, they maintain precision fitting and stable in size. This ensures a long life.

Features:
– Stainless steel
– High-Temperature resistant
– Available Sizes: 1-1/4”x1-1/2”, 1-1/2”x1-1/2”, 1-3/4”x1-1/2”, 1-3/4”x1-3/4”, 2”x2”, 2-1/2”x2”, 3”x2-1/2”, 3-1/2”x2-1/2”, 1-3/4”x2”, 1-1/4”x1-1/4”, 1-1/4”x1-3/4”, 1-1/2”x2”, 1-1/4”x2”, 1-1/2”x1-3/4”