The Wenger Master and EVO S585 are equivalent models with the same toolset. The EvoS585 has the later ergonomic scales design from Wenger.
Th Serrated Master was a version of this model with a 100% serrated main-blade.
The Security/Sécurité 52 featured a plain edge locking main blade and corkscrew.

All discontinued.

Layer Tools

• Large blade - locking; 100% serrated or plain-edge
• Nail-file
• Pliers
• Wood-saw
• Scissors
• Cap-lifter with a locking screwdriver - also includes a wire stripper
• Can-opener

Back Layer Tools

• Phillips screwdriver
  - or
• Corkscrew
• Awl
• Keyring - some models have a short keychain added

Scale Tools

• Toothpick
• Tweezers

Scales 

Regular red synthetic or red ergonomic Evolution.

Variations 

1. Serrated or plain edged main blade.
2. Corkscrew or Phillips back tools. Note the corkscrew version of the S585 is the S52
3. Evolution or regular handles/scales.

History 

The Master is the older version and has regular (or standard/classic) scales. The Evo S585 has the later ergonomic Evolution scales

Physical Specifications

• Length: 85mm
• Width: 22mm - The EVO version with corkscrew
• Weight: 117g - The EVO version with corkscrew

Identifiers

• 1.52.53: Plain-edge blade, corkscrew and keychain
• 1.52.59: Plain-edge blade, corkscrew and keychain; listed as Security 52

US Model Numbers:

• 16404 - Serrated Master
• 16904 - Plain-edge blade, corkscrew and keychain
• 16822 - EVO S585
• 16504 - EVO Scales, and corkscrew - The S52 Model?

Related Models

• EVO S52 - A corkscrew replaces the Phillips
• Tradesman - Classic (regular) scales; removes the saw