10mm Antique Bronze Open Jump Rings -  100 piecs.
Jump ring size:  5mm 
Jump Rings, Close but Unsoldered, Brass, Antique Bronze
about 5mm in diameter, 1mm thick; about 4mm inner diameter, about 100pcs per pack
JumpRings, like headpins and earwires, are a staple item in any jewelry maker''s supply inventory.