010320 Precision Twist Drill HSS Cobalt Jobber Heavy duty 4" depth of cut,5/16" DIA tip,L 4-1/2'' Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: PTD010320 Qty On Cart Features Heavy duty straight shank, type J jobber drills for hard surfaces. Features Back FeaturesHeavy duty straight shank, type J jobber drills for hard surfaces.