Buddy Lee Super Sonic Speed Jump Rope 10' - 2mm Ultra Thin Lightning Fast SILVER TPU Coated Cable "The Worlds Fastest Adjustable Cable Jump Rope" Buddy Lee Super Sonic Speed Jump Rope is The First Newly Introduced 2mm Ultra Speed TPU Coated Cable on the Market, This TPU coated cable Gives Users "The Worlds Fastest Adjustable Cable Jump Rope On The Market!" This unit features the first TPU Ultra Speed Cable Jump Rope with Patented Locking Fully Adjustable Rope Lengths For Ideal Rope Length for Each Individual User Giving the Best Customization Offered. Ideal for Cross fitness training Also Great for Double Unders, Triple Unders Quad Unders, Quintuple Unders and This Rope even hold the record for an Octuple Under!! THAT IS 8 FULL REVOLUTIONS!!! Ergonomic Handle Design With Our Patented Swivel Bearing System For Unmatched Speed, Better Coordination and Performance. Product Also Comes with Handy Carrying case, ideal for travel and storage - Satisfaction Guaranteed!!!