The ‘ALL IN ONE’ Vehicle Stabilizer! Stronger, Faster, Safer! No Assembly Required! When you need to stabilize a vehicle accident scene quickly, there is nothing faster or stronger. With the TwistLock Collar all you need to do is twist, extend, lock and the TVS can stabilize 10,000 LB / 4,535.9 KG with a 2:1 safety factor at any height.