Hand Tools
Trend - d/lift/b Door Board Drywall Lifter Swivel One Person Door Fitting Tool
Trend D/LIFT/B - Door & board lifter swivel type Allows up and down and side to side movement for easy positioning and fixing of door, panels and plasterboard. Foot operated lifter to support door while fitting into door frame. Foot operated freeing up...
https://www.bizrate.co.uk/handtools/trend-d-lift-b-door-board-drywall-oid24271436429.html