Curved with 2 prongs

Length = 20 cm / 8", Upper Blade inner Diameter = 3.5 mm, Lower Blade inner Diameter = 4.5 mm,
Length = 20 cm / 8", Upper Blade inner Diameter = 4.5 mm, Lower Blade inner Diameter = 3.5 mm, or
Length = 25 cm / 8", Upper Blade inner Diameter = 6 mm, Lower Blade inner Diameter = 4 mm