EZAccessory Machine Tool Template. 40-Position Quick Change Drill & Boring Bar Holder “S” Tool Holder. You are purchasing a 40-Position Quick Change Tool Holder S. Fits series B2 posts. Change tools in seconds. Easy and accurate to adjust height. Reground tools without removal from holder setting. Fully interchangeable with most 40-Position tool. Make sure your address is deliverable from post office. PO Box is acceptable. Remember 2-3 day service does not count Sunday or holidays. It is not a guaranteed service but has been proved to be highly reliable. Make sure your address is deliverable by post office. At EZ-Accessory , our drive to deliver the latest quality chassis, suspension, machine tool and wheel accessory parts with superb customer service is unmatched. We offer a wide variety of the best products on the market and keep up with the best of most innovative automotive and machine tool accessory and parts. Powered by SixBit’s eCommerce Solution.