FeaturesUp to 10X life vs black oxideRed HELIXâ„¢ design for rapid chip Removalâ„¢ limiting heat buildup to stay sharper longer135 deg split point for precision start no walkingChip BREAKERâ„¢ decreased heat buildupSecure Gripâ„¢ - prevents bit from slipping in chuckCobalt Red HELIXâ„¢ drill bits are engineered for extreme durability and long life in hard metal applications