STIHL Farm Boss 18″ Guide Bar – .325″ Pitch, .050″ Gauge Part Number: 3003 812 3317Model: Rollomatic E / Farm Boss L04 Equip your Stihl chainsaw with this 18-inch Rollomatic E guide bar, designed for tough jobs around the farm, yard, or woods. Engineered for balance, reduced weight, and long-term durability, this bar offers precise cutting performance with a narrow kerf design. ✅ Specifications: Bar Length: 18″ (45 cm) Pitch: .325″ Gauge: .050″ (1.3 mm) Drive Links: 74 Mount Type: 3003 (Large Stihl mount) Bar Type: Rollomatic E / Farm Boss L04 (Lightweight laminated construction) ⚙️ Key Features: Lightweight laminated steel for better balance and handling Narrow nose reduces kickback and improves cutting efficiency Three-part spot-welded design adds strength and stability Induction-hardened rails for longer service life Ideal for general purpose cutting and farm use 🪚 Compatible With These Stihl Chainsaws: MS 261 MS 271 MS 291 MS 290 MS 310 MS 390 028 034 036 Other Stihl models using the 3003 large bar mount and .325" pitch setup 🔄 Chain Compatibility: Use with chains that match: Pitch: .325″ Gauge: .050″ Drive Links: 74 Commonly paired with RM or RS chain styles depending on your cutting preference (low kickback vs. full chisel). Note: Always confirm your chainsaw’s pitch, gauge, and mount type before ordering to ensure proper fit and safe operation.