Manufacturer suggested retail price. $67.49 Features and Benefits: Easy-to-sharpen, Non-skid tip - Eliminates skidding , and the need for center punching; the tip gives sure starts even on curved surfaces Multiple Steps - As many as 13 different hole sizes in a single bit eliminates the need to maintain a toolbox full of specific size drill bits 3 Flatted Shank - Prevents slipping in drill chuck Single-Fluted Cutting Edge - Helps assure true round holes and allows greater control Hardened Steel For Long Life - Constructed of industrial grade high speed molybdenum steel and heat treated to assure maximum durability No. of holes: 9 Hole sizes: 1/4 in. -3/4 in. Increments: 1/16 in. Shank size: 3/8 in. Max material thickness: 1/8 in. Manufacturer: Vise Grip Lifetime warranty does not cover abuse