The STIHL 19mm x 13mm Combination Wrench / Scrench (Part Number: 1129-890-3401) is an essential genuine OEM multi-tool designed for fast, routine field maintenance on STIHL chainsaws and power equipment. Combining a 19mm socket, a 13mm socket, and a slotted flathead screwdriver tip into a single durable tool, it allows operators to perform bar nut adjustments, chain tensioning, spark plug service, and side-cover removal without carrying multiple loose tools.
- Genuine STIHL OEM Service Tool: Factory original replacement (Part # 1129-890-3401 / 1129 890 3401) engineered for exact socket tolerances and long service life.
- 3-in-1 Versatility: Features a 19mm socket, a 13mm socket, and a flathead screwdriver blade for complete side-cover and spark plug servicing in the field.
- Heavy-Duty Construction: Made from high-strength, heat-treated steel to withstand high-torque field adjustments without flexing or rounding nut corners.
- Standard Field Tool: Compact design fits easily into tool pouches, saw scabbards, or carry cases for instant access on the jobsite.
- Broad Model Compatibility: Standard equipment for a wide range of STIHL gas chainsaws, pole pruners, and cut-off machines using 13mm bar nuts and 19mm spark plugs.