DMM Aero Screw Gate Carabiner Fall 2010 FEATURES of the Aero Screw Gate Carabiner by DMM The very strong construction gives the Aero Screwgate 25kN major axis and 9kN gate open strengths. It also has thick walled 7075 gate barrels that resist 5kN inward force for extra safety. The minimum rope radius is 10mm and rises to 10.3mm on the main rope bearing surfaces. It is available with Screwgate, Quicklock 2-way and Locksafe 3-way locking systems. SPECIFICATIONS: Weight: 59g Strength Gate-Closed: 25kN Strength Gate-Open: 9kN Strength Minor-Axis: 9kN Gate Opening: 17mm Rope Bearing Surface Width: 10 - 10.3mm OVERSIZE ITEM: We cannot ship this product by any expedited shipping method 3-Day, 2-Day or Next Day. Even if you pick that option, it will still go Ground Shipping. Sorry for being so mean.