These Pliers are made of Forged steel. Great for assembling animal cages, hutches, traps and many other applications needing small “C” rings. Available without spring Osborne No. 1441-A, closing spring Osborne No. 1441-AC and with opening spring Osborne No. 1441-AO. These pliers are mostly used with Osborne No. 1445 Stainless Steel “C” rings.