Specifications:

Small size: total length 12cm, width 6.0cm, comb surface 6.0*4.4cm, needle length about 1cm

Medium size: total length 12cm, width 8.8cm, comb face 8.8*4.4cm, needle length about 1cm

Large size: total length of 13cm, width  11.7cm, comb 11.7*5.6cm, needle length of about 1cm

Extra large: a total length of 19cm, width 12.2cm, comb 12.2*7.9cm 6.0cm, needle length of about 1cm

Weight:

Small: 26 grams Medium: 37 grams Large: 51 grams Extra large: 90 grams