I have a Barnett Quad 400 crossbow and it needed a new string, so I ordered it from the Barnett web site. The string was out of stock so I had to wait only 1 week until it was restocked and shipped to me. Shipping by UPS was extremely fast. I had the string installed on my crossbow by the local bow shop, who did a fast and excellent job. I took my bow home to check the zero, only 1 adjustment needed. I have a 2 feet thick foam target I use, and the 20" bolts were burying themselves to the fetching at 50 yards consistently. That is power that I wanted and got. Thanks to Barnett for a quality replacement string at a very good price. The arrival of the string was just in time for the start of bow season for deer in Alabama. All is good.