| Specification | Parameter |
| Brand | DongCheng |
| Series / Model | DG Series |
| Product Type | Double Open End Spanner Set |
| Total Piece Count | 8 Pcs Set (16 Sizing Variations) |
| Size Range | 6 mm – 22 mm Metric |
| Included Sizes (8 Pcs) | 6x7mm, 8x9mm, 10x11mm, 12x13mm, 14x15mm, 16x17mm, 18x19mm, 20x22mm |
| Material Construction | Drop-Forged & Heat-Treated High-Grade Steel |
| Surface Finish | Matte Chrome Plated with Fine Polished Open Jaws |
| Head Configuration | Angled Open End (Both Sides) |
| Best Used For | Automotive Engine Compartments, Motorcycle Servicing, Industrial Machinery Maintenance, Plumbing Unions & Structural Metalwork |
Drop-Forged & Heat-Treated Steel: High-strength structural alloy steel construction delivers superior tensile elasticity, preventing jaw splaying and deformation under heavy torque.
Continuous 16-Size Metric Range (6–22mm): 8-piece dual-headed assortment covers 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, and 20x22mm for comprehensive fastener compatibility.
Fine Polished Precision Jaws: Accurately machined open-end profiles grip hex fastener flats securely, minimizing slipping and preventing corner damage.
Corrosion-Resistant Matte Chrome Finish: Non-glare, micro-textured satin chrome plating repels workshop fluids, resists scratches, and prevents corrosion in humid climates.
Slim-Profile Clearance Access: Low-profile beam and angled jaw heads permit smooth fastener engagement in tight, obstructed engine bays and machinery frames across Nepal.