F or G Frame Tip - Both the F and G frames are a standard tip for spinning and casting rods. The G frame model is anti-tangle due to the sloped frame. They both feature a deep pressed frame. How To: To repair a broken tip, simply match the ring diameter of the replacement tip to the nearest exisiting guide. Measure the diameter across the ring in the guide and choose the corresponding tip. The measurements are in millimetres. Next determine the size or diameter of the the tip sleeve you need by measuring the diameter of the blank about 1cm from the end. Tips come with a measurement called a tip pipe diameter. This is the measurement you should match to your blank diameter. Once you have combined your ring size and tip diameter, which are references as 10/3.6 and means for example 10mm ring diameter and 3.6 tip pipe diameter, you can reapply a new one using a lighter and some hot melt glue on the end of the blank and slide the tip sleeve over the blank securely. Previous model code BPOT (P Black O Ring Tip) is being replaced with BCFOT (F Frosted Black O Ring Tip). A few sizes also available in BCMGOT (MG Frosted Black O Ring Tip). BCLGOT - a light tip with a smaller sloped frame top guide.