Ingersoll-Rand 3445 Super Duty Angle Grinder, 4-1/2" BF20 Built in spring loaded backdraft

Built in spring loaded backdraft damper & built in bird screen

screw-in scriber won't fall out

Provides slow release nitrogen for extended feeding and is granular

Quality polymers and stainless-steel components wont rust or bind

Ingersoll-Rand 3445 Super Duty Angle Grinder, 4-1/2" BF20 Built in spring loaded backdraftHighlights: Rear exhaust with piped away option Composite grip for improved comfort Locking lever with tease throttle Lightweight design Air inlet NPTF (in.) 1 4 Performance rating super duty Sound dBA (pressure power) 82. 7 95. 6 Spece 8 HP, Disc Capacity 4 1 2 " RPM 12,000, Thread 5 8" 11 10 CFM, 26. 5 CFM at Load, 3 8 min hose