This is the Great Planes Tap Handle.

FEATURES: It is used to slowly and precisely turn drill bits, taps, and whatever else will fit inside its metal 1/4" adjustable chuck.

INCLUDES: One Tap Handle

SPECS: Handle length: 3-3/4" Adjustable chuck: 1/4" ir/jl  

BOX DIMENSIONS: 4.50" W. X .75" H. X 4.75" L. BOX WEIGHT: .14 LBS.