- Includes tip diameters of 0.038", 0.047", 0.070" and .090" at 0, 45 and 90 degree angles
- Easily convert between internal and external configurations without separating the handles
- cushioned grip handles for comfort
- Heat treated steel for durability
- Patent Nos. D775,503, D775,916, D807,163, D817,752 and 10421178