Looking for Answers about Vestil Winch Operated Truck Jib Crane - 500/1000-Lb. Capacity, Model# WTJ-2?

The Vestil winch operated truck jib crane is installed in a pickup truck bed and can lift loads up to 1000 pounds. Crane lifts items from ground to truck bed height, then rotates into cargo area. Capacity (lbs.): 500/1,000, Lift Range (in.): 13in to 90 1/2 in. (retracted), Base Size (in.): 10 1/2 x 10 1/2 and 12 1/2 High, Boom Length (in.): 49 1/4 in. (extended), Column Diameter (in.): 1/4, Height from Base to Top (in.): 56 Extended boom lift range: 0 to 105in. Retracted boom load capacity: 1000 lbs.; Extended boom load capacity at 105 in.: 500 lbs. Retracted boom reach: 32 3/4in. Retracted boom lift range: 13in to 90 1/2in. Telescopic boom design with manual hydraulic hand pump to pivot boom up and down Manual cable winch (with 1/4in. dia. cable) to lift and lower loads Unit comes with one grab hook, one chain slot lock, and one sling hook with latch Crane swivels on a 360° base Safety yellow Welded steel construction