This is the Duratrax Mini Hobby Modeling Knife.

Precision mini modeler's knife with safety cap
For precision cutting and trimming in tight places
Easy "figertip" control for delicate scroll cutting
4-jaw chuck insures blade lock
Exchangeable surgically sharp blades
Perfect for use on R/C car bodies

One Duratrax mini modeling knife

Manufacturer:	Dura Trax
Product #:	dtxr1152
Your Price:	$1.99
List Price:	$2.49
Availability:	Discontinued - No Longer Available for Purchase

Length: 3.35" (85mm)
Diameter: .31" ( 8mm)

Uses standard #11 hobby blades (hcahcar0211)