Material: Alum/Alum, Alum/Steel, Steel/Steel, Stainless steel/Steel, Brass or Copper/Steel
Size: dia 3.2, 4.0, 4.8, 6.4 / 1/8"-1/4"
Length: 6-35mm / 1/4"-1-1/2"

Finish: zinc plated, yellow zinc plated, any color you required