TechNXT 3 in 1 Modular Crimping Tool (TNT-315Z)

Connector compatibility:
Works for various modular plugs:
• RJ45 (8P8C) — for Ethernet cables (CAT5, CAT5e etc.)
• RJ11 / RJ12 (6P4C / 6P6C) — for telephone / ADSL lines
• Sometimes smaller ones: 4P2C / 4P4C etc.

Crimping quality:
Mouth made of good quality / hardened steel / magnetic steel (or described so) — intended to avoid damaging the outer shell/shell‑wire of connectors.

Stripping & Cutting:
Has built‑in wire stripping for flat/modular cables (various pin counts), plus cutter part near handles or integrated.

Cable types supported:
Cat5, Cat5e network cables primarily. Also telephone cables. Up to around 100 Mbps / 10Base‑T Ethernet, Token Ring etc.

Physical build:
• Length about 190‑200 mm (~19‑20 cm) in many cases.
• Weight: varies, ~300‑400 grams in some versions. Eg. about 350g in HT‑315 model.
• Handles: non‑slip, plastic or rubber over steel, for grip.

Durability:
Built with hard steel (some say magnetic/hardened steel). Designed to handle regular crimping jobs without loose parts.