Legacy Loc extensions are measured in centimeters Standard, Standard Coil Tip, Interlocked, Interlocked Coil Tip, Deep Wave Locs share the same width diameter as below: Sista Locs (0.1cm wide) Micro (0.2 cm wide) XSmall (0.4 cm wide) Small (0.6 cm wide) Medium (0.8 cm wide) Large (1 cm wide) XLarge (1.2cm wide) Textured, Textured Coil Tip share the same width diameter as below: XSmall (0.4 cm wide) Small (0.6 cm wide) Medium (0.8 cm wide) Large (1 cm wide) Fusion Locs , Goddess Locs, share the same width diameter as below: XSmall (0.6 cm wide) Small (0.8 cm wide) Medium (1 cm wide) Large (1.2 cm wide)