22 pcs Golf Iron Ferrules: 10Pcs .335 & 12Pcs .370For Driver and Fairway WoodFit for .370 irons shaft and hybrid golf. Not fit for graphite shaftcolour:blue & RedMaterial:metal & plasticsize:Caliber:.335Length :0.62 inch / 15.75mmOuter diameter 0.525 inch / 13.33mmInner diameter 0.335 inch / 8.51mmsize:Caliber: 0.370 & .335Length:Approx.25mm/1 inchUpper Inner Diameter:Approx.9mm/0.355 inch, 9.4mm/.370inchUpper Outer Diameter:Approx.12mm/0.5 inchLower Outer Diameter:Approx.14mm/0.55 inchPackage Contents:22 x Golf Iron FerrulesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.