Features: 100% brand new and high quality. Suitable for .335 and .355 .370 tip end steel shafts. The thick ones for Golf Irons Shafts, and the thin ones for Golf Woods Shafts. This weight plug inserts into the tip of the shaft to add weight to the club. 300 degrees high temperature baking, especially hard. Material: Copper Color: As the picture shown Dimension: For Golf Wood Shafts:15mm(0.59"),33mm(1.30"),51mm(2.01"),73mm(2.87"),For Golf Iron Shafts Brand Unbranded MPN Does Not Apply UPC 746060769838 Material Copper Weight 2g,4g,6g,8g .