Thunder Bolt Super Premium Head Cleaning Solvent - 4oz (114 g). Thunder Bolt is from the manufacturer of Rush, Hardware, Bolt and other high quality products. We can only ship this product by UPS Ground or UPS 3 Day Select (also a ground service). NO FEDEX OVERNIGHT OR UPS 2nd DAY AIR SHIPPING FOR THIS PRODUCT. If you've tried and liked Maximum Impact or Black Jack, you will love this product. Stock up at this great introductory price!