welding electrode holder: 1.CCC approval 2.model:200A,300A,400A,500A ... with competitive price 4.all brands need 30Professional manufacturer of electrode holders: Material:iron,brass Material:bakelite,it's heat ... ; 4,packing:1pc/ box.Features:1) Various kinds of electrode holders available 2) Types: American type, Holland type, Italian ... 500A:25cm in lenghth supply 300A,400A,500A welding electrode holder