Manual Ratchet Threader with Handle Only, 00 R 00 RB, 1 8 in NPT to 1 in NPT Die Heads Sold Separately ORS NASCO 1+ and CSA 2 inch larger 1+ and CSA 2 inch larger window ensures maximum protection and panoramic view Detents keep window firmly in the up or down position until manually adjusted Framed side and chin area provide added protection [Nom] 4 1 2 in Grit 24 Hazmat NO Jan San Catalog NO Prop 65 NO Quantity 10 per pack Quarterly Flier NO Special Order NO Speed [Max] 13580 RPM Stock Status In Stock Style Long Life Thickness [Nom] 1 8 in Tool Shape Type 27 Used With Right Angle Grinder Welding Catalog YES Die heads snap in from both sides and lock in place Ratchet knob indicates forward and reverse