Two speed for better control
White wall cap for 4" round duct - includes 4 mounting screws
Perma-SHIELD® coating reduces heat & pitch build-up from rust
Constructed of deep-drawn steel for durability
rugged air tires and wooden stake sides
Master Pro Advanced Construction Calculator BF20 Two speed for better control"CALCULATED" ADVANCED CONSTRUCTION CALCULATOR Master Pro, Advanced Construction Calculator, Works In & Converts Between All Building Dimensional Formats, Custom Set Fractions, Includes Protective Hard Case, User Guide, Field Guide & Long Life Batteries. Features: Dimensional Math and Conversions Work Directly in Feet, Inches, Fractions, Yards and Metric Handles All Fractions: 1 2, 1 4, 1 8, 1 16, 1 32, 1 64's Instant Area and Volume Easy Right Angle