The Fullstop Nemesis Plus SCM anti-theft clamp is the best way to prevent theft of your campervan. Simply attach the orange parking clamp to your wheel, lock it, and you're guaranteed no one will steal your vehicle. The wheel clamp has a compact and lightweight design. It also features an anti-pick 9-pin Lowe & Fletcher lock. Features: Quick and easy to mount, also for 10-20" aluminum rims Compact design specially developed for campers, incl. handy storage bag Nemesis Plus SCM: wheel clamp based on a new patented design Standard includes 14 mm x 1.5 mm / 60° conical wheel bolt NOTE: Always remove the wheel clamp before driving! General specifications: Color: orange Material: steel SCM quality mark: yes Closure: Anti-pick 9 pin Lowe & Fletcher lock Weight: approx. 6150 grams Dimensions specifications: Wheel clamp dimensions: 53.5 x 45 x 15 cm (L x W x H) Package dimensions: 54 x 11.8 x 28 cm (L x W x H) Wheel size: 10-20 inches Wheel bolt size: 1.5 x 14 mm Wheel bolt seat: conical (60°) Contents: 1 Wheel clamp 3 Keys 1 Wheel bolt 1 Storage bag Instruction videos: https://www.youtube.com/watch?v=Q1Qsb5Ehi3c https://www.youtube.com/watch?v=ZMX_P2gr2GE If you have purchased a Fullstop Security Nemesis Plus, Nemesis Ultra, or Gemini Twin Axle Wheel Lock and have found that the included wheel bolts do not fit, please watch the video linked below to learn how to determine which replacement bolt you need. This may be due to different wheel fitment, thread size, and/or bolt length: https://www.youtube.com/watch?v=4F1i-rDQ-RQ