Stanley manufactures rings in custom sizes up to 24” in diameter. Materials include galvanized wire, coil rolled wire, hard drawn wire, music wire: zinc coated music wire, galvanized music wire, tinned music wire, preco-z music wire; stainless steel wire including: annealed stainless steel, 302 stainless steel, 316 stainless steel, 17/7 stainless steel, elgiloy wire, nichrome wire, nickel coated copper wire and oil tempered wire. Depending on flat or wire stock, the machinery used includes spring action automatic coiling machines, CNC Coiling machines, torsion machines or Four-slide machines. Stanley rings are primarily used in the automotive, pump & leisure industries.