Use for rasping and filing wood and soft metal. Made of special alloy tool steel. 1/4" shank. No. 16671: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16678: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16672: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16682: Length: 1-3/8", Shank Size: 1/4", Diameter: 5/8", Pkg Qty: 1, Package Type: Card No. 16674: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16676: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16677: Length: 1/2", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16680: Length: 1/4", Shank Size: 1/4", Diameter: 7/8", Pkg Qty: 1, Package Type: Card No. 16681: Length: 1-1/8", Shank Size: 1/4", Diameter: 5/8", Pkg Qty: 1, Package Type: Card No. 16684: Length: 1-3/8", Shank Size: 1/4", Diameter: 5/8", Pkg Qty: 1, Package Type: Card No. 16686: Shank Size: 1/4", Diameter: 5/8", Pkg Qty: 1, Package Type: Card