DISSTON COMPANY 286294 MM21/64x4-5/8 Titan Bit Master Mechanic, 21/64" x 4-5/8", high speed steel, titanium coated drill bit, 135 split point, jobber length, straight shank, 135 split point design with 4 cutting edges eliminates walking permits quick accurate starting, added lubricity of titanium-nitride surface finish enhances chip flow, drilling efficiency increases drill life, recommended for heavy duty drilling in wood, plastic, Wallboard, plywood soft metals for moderate use in heat treated or ferrous metals, Carded. Features Double reinforced with industrial grit glue for increased life durability Easy to use Manufactured in China USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.