Accusize Industrial Tools - 4 Pc High-Speed Steel Spiral Flute Car Reamer Set, Gold Oxide Finish, Sizes 3\/8", 1\/2", 5\/8", 3\/4", Fits 3\/8'' & 1\/2'' Chuck, 0522-1800

Straight Shank with 3-Equal-Flats to Fit 3/8'' or 1/2" Chuck; | Include size: 3/8" (fit 3/8'' shank chuck), 1/2", 5/8", 3/4" (fit 1/2'' shank chuck) | Gold oxide, Spiral Flute, 5 Flute | Straight shank with stop collar to prevent the reamer running through the hole | Secure Storage: Comes in a fitted box for organized and protected storage, enhancing tool longevity. | Versatile Chuck Compatibility: Straight shank with 3-equal-flats design, fitting both 3/8'' and 1/2" chucks for diverse drilling needs. | Sizes Included: Set includes 3/8", 1/2", 5/8", and 3/4" reamers, catering to a variety of hole enlarging tasks. | Durable Gold Oxide Finish: Each reamer features a gold oxide finish with a spiral flute design, offering enhanced durability and efficient chip removal. | Precision Engineering: Straight shank with stop collar prevents over-penetration, ensuring precise hole dimensions.