Ductsure Door Relief Vent Grille (Anodized Aluminium) – DG-A 400150 Insize Thread GO NOGO Plug Gauge 1/4"-28 UNF Series 4131-1B2 ✔ Tungsten Carbide Cutting Edges

✔ Tungsten Carbide Cutting Edges – Ensures sharpness and durability

and industrial applications where reliable measurement of surfaces and components is critical

Durable and reliable

this kit delivers reliable results with every use

19 x 50mm D

Ductsure Door Relief Vent Grille (Anodized Aluminium) – DG-A 400150 Insize Thread GO NOGO Plug Gauge 1/4"-28 UNF Series 4131-1B2 ✔ Tungsten Carbide Cutting EdgesAluminium Door Relief Vent The Ductsure DG A 400150 provides effective door ventilation with a robust anodized aluminium construction, ensuring long service life and a clean appearance. Key Features: Part No: DG A 400150 Vent Facing Size (B B): 436 x 181 mm Internal Size (A A): 392 x 137 mm Configuration: Double sided design Max Hole Size for Hollow Doors (C C): 388 x 133 mm Max Hole Size for Solid Doors (D D): 430 x 175 mm Thicknesses: H1 = 36 mm, H2