The Kreg KJSC/MICROBIT Micro Depth Collar and Allen Wrench for Microbit is an adjustment collar and allen wrench to help set depth of KJD/MICROBIT Micro Pocket Drill Bit. The Kreg KJSC/MICROBIT is made out of the same durable material as the standard size depth collar. The Kreg KJSC/MICROBIT comes with an allen wrench, which is required for use. Features: * Made out of the same durable material as the standard size depth collar * Comes with required allen wrench What"s In The Box: * Kreg KJSC/MICROBIT Micro Depth Collar and Allen Wrench for Microbit