Copper [Cu]

Standard Grippers are named for increasingly hard metals. Copper is insanely versatile, ductile and conductive. Wires, coins and the Statue of Liberty are all made of copper. Nearly 80% of all copper ever mined is still in use today. Put copper in your collection for the long run!  

Copper is a limited-supply gripper. It came about due to a batch of Platinum springs that were made too narrow, resulting in a lower strength.

• More narrow spread averaging 65 mm
• Average rating: 105 to 110 lbs
• Pinned handles with aggressive knurling
• Uncoated oil-tempered spring
• Made in America by small businesses
• One handle stamped with SG logo
• Other handle stamped with Cu chemical symbol for Copper