The Ripley Miller 80935 is a replacement blade kit supplying five CB281 cutting blades and two mounting screws for the MSAT-5 Mid-Span Access Tool (part number 80930). The MSAT-5 is the industry standard for performing mid-span access on loose-tube fiber optic cables — slitting and removing the outer jacket or buffer tube at a mid-point along a cable run without nicking or severing the optical fibers inside. These blades are the consumable cutting element and must be replaced periodically to maintain clean, fiber-safe cuts.

Each CB281 blade seats into the MSAT-5's blade pocket and is secured with the included screw using a #2 Phillips head screwdriver. Before removing a worn blade, technicians should note its orientation in the pocket to ensure correct reinstallation of the new blade. The MSAT-5 accommodates buffer tube diameters from 1.9 mm to 3.0 mm across its five channels, and these blades support that full size range. Used blades should be handled with caution and disposed of appropriately.

This kit fits only the Ripley Miller MSAT-5 and is not interchangeable with the MSAT-3, MSAT-16, or other mid-span access tool variants. Keeping spare blades on hand minimizes downtime during fiber splicing and mid-span entry work in the field. The 80935 kit is the factory-specified replacement consumable referenced in the official MSAT-5 instruction sheet (Doc. No. 80931 rev 3).

• Factory replacement CB281 blades — the OEM-specified consumable for the Ripley Miller MSAT-5 (80930)
• Kit includes 5 replacement blades and 2 mounting screws for complete field servicing
• Compatible with the MSAT-5's full buffer tube size range: 1.9 mm to 3.0 mm diameter
• Designed for mid-span access work — enables safe jacket and buffer tube slitting without fiber damage
• Installation requires only a #2 Phillips head screwdriver — no specialty tools needed
• Referenced in official Ripley Tools documentation (MSAT-5 Instructions, Doc. No. 80931 rev 3, dated 10-01-22)