• Made in the U.S.A.
•Closed Coil Springs deliver ideal forces for Class II intra–arch maxillary retraction as well as other space closure and maintenance applications.
• G4™ Springs provide consistent force and remain active until the space is closed.
• .030″ coil diameter.
• Force: Light = 150gm, Medium = 200gm.
• 21″ (53 cm) spool.