I purchased two of these, including shipping, for 4200 yen on the Golf Theory website. I used them once on a Qi4D head, but I'm selling the driver itself, so I'm putting these up for sale. They are, of course, in excellent condition. You can adjust the balance of your driver. TaylorMade, genuine product Set of 2, 10g each. [Other] ⭐Please understand that these are used items. Please refrain from purchasing if you are overly concerned about condition. ⭐Please check the photos for the condition of the items, as I have uploaded many. ⭐Returns are not accepted to prevent replacement, so please consider your purchase carefully. ⭐Instant purchase is OK. We will prioritize the buyer even if there are comments, so please understand.