| Specification Attribute | Technical Detail |
| Brand | Anchor |
| Product Code / Model | 21281 |
| Generic / Common Name | Surface Boxes (Surface Plastic Boxes) |
| Modular Capacity | 1 Module (1M) or 2 Module (2M) |
| Material | High-Impact Flame-Retardant Engineering Plastic |
| Mounting Hardware Feature | Embedded Metal / Brass Threaded Inserts |
| Dimensions (Box Envelope - L x B x D) | 85 x 85 x 40 mm |
| Packaged Dimensions (L x B x H) | 15.0 x 10.0 x 5.0 cm |
| Product Weight | 0.1 kg |
| Internal Depth | 40 mm |
| Unit Packaging | 1 Piece |
| Electrical Safety | Fully Insulated / Non-Conductive Body |
| Mounting Style | Direct On-Wall Surface Mount (Brick, Concrete, Wood, Drywall) |
| Target Applications | Wall Retrofits, Office Partitions, Utility Rooms & Renovations |
| Best Used For | Surface Mounting of 1M/2M Switches, Sockets, and Accessories |
High-Impact Engineering Polymer: Molded from durable, flame-retardant plastic that offers strong impact resistance, electrical insulation, and total immunity to moisture corrosion.
Integrated Metal Thread Inserts: Equipped with factory-fitted brass/metal screw inserts to deliver reliable torque retention and prevent stripped threads during faceplate installation and servicing.
1-Module & 2-Module Versatility: Designed to fit standard 1M and 2M Anchor Penta Modular and Roma Urban grid mounting plates for switches, sockets, data ports, and indicators.
Compact 40 mm Depth Clearance: Sized at 85 x 85 mm with a 40 mm internal profile, providing sufficient space for neat cable routing and termination without protruding excessively from the wall.
Ideal for Surface Retrofits & Renovations: Eliminates the need for concrete cutting or wall chiseling, pairing with external PVC conduits and mini-trunking profiles across residential and commercial sites in Nepal.