Back to the Product Catalog Rope & Webbing Choose a Different Catalog Section... Building Materials Construction/Specialty Tools Specialty Equipment Rope and Webbing Safety Equipment Climbing Gear Lighting Pulleys and Zip Brake Block Signs, Safety, and Element Pre-Built/Custom Items Rescue/First Aid Games and Initiatives Publications Toys for Boys and Girls ----------------------------------------------------- Extreme Series Hardware Teams Kit   Climbing Rope/ Belay & Swiss Seat Use 11mm 660'spool - $524.00 11mm 165'spool - $136.95 11mm 200'spool - $166.00 11mm per foot - $.91 10.5mm 660'spool - $512.00 10.5mm per foot - $.89 10.8mm 660'spool - $480.00 10.8mm per foot - $.84   Description Dynamic 11mm/10.8mm/10.5mm New England 11 mm Maxim Dynamic Rope as well as their 10.8 gym rope are the only 2 Dynamic ropes you need to choose from for all your Dynamic Belay systems. Tensile Strength: 11mm - 6800 lbs /10.8mm - 6800 lbs./ 10.5 mm - 6800 lbs. UIAA Approved. 10.8 mm is a gym rope which has a heavy, more durable, sheath.