Panellift Model 439 is our top-of-the-line commercial duty model. Built for the Pros, it is also the most trusted model in drywall lift rental. Features a multi-stage chain winch that ensures the lift's safety, longevity, and versatility. No other sheetrock jack can match the quality and performance of the Model 439. PANELLIFT DRYWALL LIFT MODEL 439 14'5" 200 LBS. CHAIN DRIVE The Panellift Model 439 Panellift Brand Drywall Lift is our top-of-the-line commercial duty model. It caters to professional contractors and is designed to take punishment, making it the most trusted model in drywall lift rental. It is built with a patented multi-stage chain lift mechanism that ensures the lift's safety, longevity, and versatility. No other sheetrock jack can match the quality and performance of the Model 439. Original Inventors: Made by Panellift, the pioneers of drywall lifts. Tool-Free Assembly: Effortless setup?no tools needed. Innovative Design: Patented Tri-Telescopic Multi-Stage Chain Winch System Versatile Cradle: Tilts for both vertical and horizontal sheet installation Ergonomic: Reach 14.5 ft without installing any extensions while loading at only 37 inches Large Sheet Capacity: Perfect for lifting sheetrock sheets to 4'x16'. Robust Load Capacity: Heavy Duty Commercial Grade Handling Up to 200 lbs. The Panellift Model 439 Panellift Brand Drywall Lift is our top-of-the-line commercial duty model. It caters to professional contractors and is designed to take punishment, making it the most trusted model in drywall lift rental. It is built with a patented multi-stage chain lift mechanism that ensures the lift's safety, longevity, and versatility. No other sheetrock jack can match the quality and performance of the Model 439. Original Inventors: Made by Panellift, the pioneers of drywall lifts. Tool-Free Assembly: Effortless setup?no tools needed. Innovative Design: Patented Tri-Telescopic Multi-Stage Chain Winch System Versatile Cradle: Tilts for both vertical and horizontal sheet installation Ergonomic: Reach 14.5 ft without installing any extensions while loading at only 37 inches Large Sheet Capacity: Perfect for lifting sheetrock sheets to 4'x16'. Robust Load Capacity: Heavy Duty Commercial Grade Handling Up to 200 lbs. integration by