K.P. Contracting inc ™ Screw piles supply/install $90 each Installs past frost line & rated for up to 5000 LBS each Fully adjustable/5 feet long & Ideal for deck, patio, shed, steps, stairs, porch, etc. Cradle accepts 4x4. No digging, no concrete, no waiting time !! Minimum of 3 at $90 each , 2 or less $115 each Call 780-965-0677