This is a Swivel Head Pin Vise with 2 Collets from Excel.
FEATURES:
- Comfortable hexagonal swivel-head helps provide proper tension to work surface.
- Come with two double-end collets to hold a range of drills from #80 (.0135) to #30 (.1285).
- Used for drilling and tapping.
INCLUDES: 
- One Swivel Head Pin Vise with 2 Collets.
- Four chucks
SPECIFICATIONS:  Length: 3-3/4" (9.5cm)
Used with permission, copyright ©2015 Excel Blades/Hobbico, Inc.
Copyright ©2015 Brey Corp. t/a Hobby Works.