Pocket scalpel knife for replacement medical/surgical blades
there are two versions for different blades: (A) for numbers: 9, 10, 10A, 11, 11K, 12, 13, 14, 15, 15B, 15C, 16, 17, etc.. (B) for numbers: 18, 19, 20, 21, 22, 22A, 23, 24, 25, 36, etc.. ----You can buy them here: https://bit.ly/3P0MwRF
parts needed to assembly: 2 x M3 nuts 2 x M3 10mm long flat head screws
!!! BE CAREFUL WHEN CHANGING BLADES !!!