Mack Granite Liebherr Crane Truck, Crane Truck Extends To 50" Tall, With An Extension Piece That Snaps On To The End OfThe Boom, Telescopic & Height Adjustable Jib Works With A Patented Adjusting Cylinder, Is A Device For Quick & Noiseless Lowering Of The Die Cast Hook, 4 Outriggers, Stabilizer Legs, To Ensure The Highest Degree Of Stability, As Well As A Counter Weight That Can Be Filled With Sand To Balance The Load Of The Crane, Swing Out Mirrors, Soft Rubber Like Sculptured Tires & A View Of The Motor Unit When The Hood Is Unlatched, Cab Has A Sliding Panel Door For Easy Access & The Crane Swivels 360 Degrees, Made With The Highest Quality Plastic.