Keystone's Insulation Pins are available in Mild Steel, Stainless Steel & Aluminum.

Available styles include Capacitor Discharge, Power Tip, Concial Tip, Double Pointed and J Hook.

Diameters Available - 3/16", 10 ga, 12 ga

Materials:
Aluminum Base (5000 series) with Mild Steel with Copper Plated Pin, Stainless Steel Pin.

Installed with Stud Welder