Artmice-Putter Weight,2 of 10g 15g 20g 25g 30g 35g 40g Red Putter Weight for Scotty Cameron Fastback & Squareback Fit for Scotty Cameron FastBack and SquareBack Series putter. Including all version Studio Select Squareback/ Fastback or California Fastback. 2pcs Putter Weights Please choose the weights you need. Please confirm if these weights work with your putter before your purchase.