Catalog model No. V125 series. 3'' cold-rolled steel, solid brass adjustable collar. Strong fully enclosed spring. For use on either right hand or left hand doors. Stud pin adjusts to provide desired closing speed. Full-surface application, no mortising required. Zinc, BakEnamel brass, or galvanized finish. Packed 1 pair in a visual pack with screws. No. N115055: Zinc No. N115006: BakEnamel brass No. N115105: Galvanized, brass pin