Drills stainless steels and titanium alloys. Manufactured from premium high speed steel. Reduces user fatigue and has added strength against breakage. The KnKut drill bit buddy puts 29 drills in easy hands reach, eliminating wasted time from retrieving and searching for the right drill. Screw on top keeps drill bits secure, even when dropped. The KnKut drill bit buddy drill index is great for both inside and outside usage. Made from high impact plastic, the KnKut drill bit buddy has a molded side hook that easily clips on to a tool caddy, utility belt, tool bucket or ladder.