The Astrum NB120 Digital Combination Lock is a compact and durable security solution designed to protect laptops, bags, and personal belongings. Featuring a steel‑reinforced 1.8m cable, a resettable 4‑digit code with 10,000 possible combinations, and a tamper‑resistant lockhead, it delivers everyday safety whether at home, in the office, or on the go.

Its strong yet flexible cable design wraps easily around fixed objects or lock slots, while the compact dimensions (56 × 25 × 20mm) and lightweight build (130g) make it portable and travel‑ready. Beyond laptops, the NB120 is versatile enough to secure luggage, lockers, and travel bags, making it a multifunctional tool for professionals, students, and travelers.

Key Features
1.8m steel‑reinforced cable for flexible, robust protection
Resettable 4‑digit combination with 10,000 possible codes
Tamper‑resistant lockhead for added security
Compact design: 56 × 25 × 20mm, lightweight at 130g
Versatile use: laptops, bags, lockers, luggage, and more
Portable build: travel‑ready and easy to carry
Warranty: 24 months

Technical Specifications
Feature Specification
Model / SKU A72512‑B
Cable Length 1.8m steel‑reinforced
Combination 4‑digit resettable (10,000 codes)
Lockhead Tamper‑resistant
Dimensions 56 × 25 × 20mm
Net Weight ~130g
Gross Shipping Weight ~250–300g (with packaging)
Warranty 24 months

What’s in the Box
1× Astrum NB120 Digital Combination Lock
1× User Manual

The Astrum NB220 Digital Laptop Security Lock is engineered for Nano 8×2.5mm slots found on the latest ultra‑thin laptops and tablets. Featuring a resettable 4‑digit code with 10,000 possible combinations, a 1.8m cut‑resistant steel cable, and a tamper‑resistant lockhead, it provides keyless digital security without compromising portability or aesthetics.
Its slim, low‑profile design fits seamlessly with devices like Microsoft Surface, Lenovo Yoga, Dell XPS, and HP Spectre, ensuring ports remain unobstructed. Lightweight and travel‑ready, the NB220 is ideal for professionals, students, and travelers who need reliable protection in offices, co‑working spaces, or public environments.

Key Features
Nano 8×2.5mm compatibility – Perfect fit for Surface, Yoga, XPS, Spectre, and more
Resettable 4‑digit code – 10,000 combinations for personalized security
1.8m steel‑reinforced cable – Flexible anchoring to desks or fixed objects
Slim, non‑obstructive design – Maintains device aesthetics and usability
Cut‑resistant construction – Steel core with PVC coating for durability
Keyless digital security – No keys to lose, ideal for travel and public spaces
Warranty: 24 months

Technical Specifications
Feature Specification
Model / SKU A72522‑B
Lock Type Digital combination (4‑digit)
Connector Size 8 × 2.5mm (Nano slot standard)
Cable Length 1.8m
Cable Material Steel‑reinforced with PVC coating
Compatibility Surface, Yoga, XPS, Spectre, Nano‑slot devices
Security Tamper‑resistant lockhead
Net Weight ~130g
Gross Shipping Weight ~250–300g (with packaging)
Warranty 24 months

What’s in the Box
1× Astrum NB220 Digital Laptop Lock
1× User Manual (with reset instructions)

The Astrum NB210 Digital Laptop Security Lock is a robust and slim solution designed for modern laptops and devices with the N17 wedge‑slot (6.5 × 2.5mm). Featuring a resettable 4‑digit digital combination lock with 10,000 possible codes, it secures your device without the need for physical keys.
Its steel‑reinforced 1.8m cable provides strong resistance against cutting and pulling, while the slim lockhead ensures compatibility with ultra‑slim laptops, particularly Dell models and other lightweight designs. Compact and portable, the NB210 is ideal for professionals, students, and travelers who need reliable protection in offices, public spaces, or on the go.

Key Features
Slim lockhead design for ultra‑slim laptops
N17 wedge‑slot compatibility (6.5 × 2.5mm connector)
4‑digit resettable combination lock with 10,000 code options
1.8m reinforced steel cable with protective coating
Tamper‑resistant build for everyday security
Lightweight and portable for travel and office use
Warranty: 24 months

Technical Specifications
Feature Specification
Model / SKU A72521‑B
Lock Type Digital combination lock
Connector Size 6.5 × 2.5mm (N17 slot)
Cable Length ~1.8m (6 feet)
Material Reinforced steel cable with protective coating
Dimensions (Lockhead) Slim profile
Net Weight ~130g
Gross Shipping Weight ~250–300g (with packaging)
Warranty 24 months

What’s in the Box
1× Astrum NB210 Digital Laptop Lock (N17 6.5 × 2.5mm Slim)
1× User Manual