Up for sale is an equivalent IR 285B-42-6 vane / blade set for an IR 285B 1” drive impact wrench. This quality vane / blade set fits IR model 285B 1” dr. impact wrench. Possibly could fit other models that utilize this part number vane / blade set. This vane / blade set has 6 phenolic blades to replace the OEM blades and they are made in the USA. Warranty would only apply to proper install of parts! Usually ships in 24 hours!