TD Aluminium Locking Ruler is specially for pre insulated panel of insulation duct. Standard size 1200mm & 4000mm. This aluminium ruler with locking system for an easy and fast locking of the panel to work table. This ruler serves as aguides for the cutter knife and permits to make precise and straight cuts.

Besides, we also provide pre insulated air duct panel, accessories, and other tools that all is for HVAC/R ductwork application.