Manual Threading Pipe and Bolt Die Head Complete w Dies, 1 in 11 1 2 NPT, 12 R, Alloy RH ORS NASCO [Nom] 4 1 2 in Grit 36 [Nom] 4 1 2 in Grit 36 Hazmat NO Jan San Catalog NO Mounting Back Up Pad Prop 65 YES Quantity 25 per carton Quarterly Flier NO Roughness Grade Coarse Special Order NO Speed [Max] 15300 RPM Stock Status In Stock Type Resin Fiber Disc UNSPSC 31191506 Used With Right Angle Grinder Sander Welding Catalog NO Wt pliable headband fits head contours comfortably Overhead band with multiple adjustments helps position the glassholder for the best view of the weld and a comfortable working position Exclusive “free floating” arms balance and stabilize the helmet while minimizing pressure points Strip proof ratchet head size adjustment provides small increment sizing All die heads complete come with selected dies and are set at the factory Precision threading