STRONG POLY RODS - (.250 dia) polypropylene is stronger than nylon and more resistant to physical stress 20-FOOT TOTAL LENGTH - Kit includes five rods (4' long each). Longer rods result in fewer fittings and weak spots HEAVY DUTY 1/4"-20 FITTINGS - Compatible with our 3" and 4" Pellet Brushes. Make sure your brush has the smaller 1/4"-20 fittings. FLEXIBLE CONSTRUCTION - Easily maneuver 30-degree and 40-degree offsets MANUAL SWEEPING - Not for use with power tools Designed for the homeowner, these flexible, 0.25" diameter poly rods are designed to fit our pellet stove brushes with 1/4-20 fittings and easily maneuver 30-Degree and 40-Degree offset Kit includes five (5) 4-foot long rod sections.s.