Effortlessly access fibers in thick-walled cables—like Prysmian ESMF Mini FlexTube® and Corning equivalents—with the award-winning, patented MS-426. Combining precision slitting and ringing in one compact tool, it streamlines mid-span prep for large-diameter jackets.

Key Features

• Dual-Function Design: One side offers four longitudinal slit grooves; the other four radial ring grooves (5.8–12 mm)
• Optimized for Mini FlexTube®: Specially sized for Prysmian ESMF Optical Mini FlexTube® and similar thick-walled cables
• Accurate Blade Positioning: Top indicator line ensures precise alignment for every cut and ring
• Long-Lasting Blades: Hardened steel edges deliver up to 5,000 slits/rings—replaceable with MS-426RB blade set
• Portable & Secure: Weighs just 0.46 lb with a tethering hole to keep it handy in tight spaces or on the go
• Award-Winning Innovation: Built on Jonard’s MS Series legacy, honored with Cabling Installation & Maintenance Gold Awards

Groove Sizes

5.8–6.4 mm | 7.8–8.4 mm | 9.8–10.4 mm | 11.2–12 mm

Specifications

• Cut Types: Longitudinal slit & radial ring
• Cable Compatibility: Thick-walled jackets up to 2.0 mm wall thickness (5.8–12 mm OD)
• Dimensions: 3.58″ × 1.53″ × 3.37″ (9.1 × 3.9 × 8.6 cm)
• Weight: 0.46 lb (208 g)

Equip your fiber toolkit with the MS-426 for fast, precise mid-span slitting and ringing on large-diameter cables.

Documentation

• MS-426 Data Sheet