Keyless, fast operation
1/4" hex bits are inserted or removed instantly by simply sliding the spring-loaded sleeve towards the power drill
Will accept both 1/4" hex shank drill bits and 1/4" hex shank power screwdriver bits
Thread onto your drill spindle in place of your standard drill chuck, and then forget about chuck key
Positive locking collar prevents the chuck from unthreading from drill spindle during reverse operation
CAUTION: Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.