00 11 Universal Construction Utility Key

The Knipex 00 11 Universal Construction Utility Key is a versatile multi-profile key designed for accessing locking systems across electrical installations, gas and water supply, HVAC systems, and industrial technical facilities. This professional-grade tool consolidates nine different die-cast zinc key profiles into a single compact unit, eliminating the need to carry multiple keys on site. The construction version features a plug-in, magnetically held support system with a catch mechanism for locks with profile cylinder holes and stepped male square fittings. The integrated bit adapter accepts standard 1/4" bits with magnetic retention, adding screwdriving capability to the tool's functionality. With an extended length of 157mm and a compact 95mm configuration, the key includes a detachable chain and snap hook for secure attachment to belts or tool bags. This universal key accommodates a comprehensive range of profile types and sizes, making it ideal for electricians, plumbers, HVAC engineers and maintenance contractors who regularly encounter varied locking systems. The tool covers square profiles from 5.0mm to 10.0mm, triangular profiles from 7.0mm to 11.0mm, stepped squares from 6mm to 9mm, double-bit configurations from 3mm to 5mm, and 6mm half-moon profiles.

Features and Benefits:

• Nine key profiles in one tool reduce the need for multiple keys
• Magnetic bit adapter adds screwdriving functionality for versatile use
• Detachable chain and snap hook prevent loss on site
• Die-cast zinc construction provides durability for daily professional use
• Compact design ideal for toolbelts and site work

Specifications: Total length: 157mm (extended) / 95mm (compact) Capacity square: 5.0 / 6.0 / 7.0 — 8.0 / 9.0 — 10.0 mm Capacity double-bit key: 3 – 5 mm Capacity half-moon: 6 mm Capacity step-like square: 6 / 7 / 8 / 9 mm Capacity triangular: 7.0 / 8.0 — 9.0 / 10.0 — 11.0 mm