The curved style is the standard type for smooth knitting.
The curved style package contains: US 3-5/3.25-3.75 mm US 5-8/3.75-5.0 mm US 8-10/5.0-6.0 mm
The "U" style is shaped like a Shepherd’s crook, stitches will not drop off the needle due to the U-shaped design.
US 3 to US 8 package contains:US 3-5/3.25-3.75 mm US 5-8/3.75-5.0 mm US 8-10/5.0-6.0 mm
US 10 to US 15 package contains: US 11-15/8.0-10.0 mm US 15-19/10.0-15.0 mm
