JIS S 6005:2019 specifies requirements for black leads and colour leads used for mechanical pencils as specified in JIS S 6013 (hereafter referred to as black leads and colour leads, respectively).
JIS S 6005:2019
Original price was: $85.00.$42.00Current price is: $42.00.
Leads for mechanical pencils
Japanese Industrial Standard / Japanese Standards Association , 01/01/2019
