|[Digital Electronics] - [Office Supplies]|
Chalkboard 101 Wooden Pencils HB 2H 2B 3B 4B 6B Pupils Sketch Drawing Art Children Pencils
H - hard hardness B - black degree
The more the pencil is, the more harder the more the pencil is, the harder the harder the H, the higher the number.
'H' is the English 'Hard' (hard) of the beginning of the letter, said the pencil core hardness, the larger the number in front of it, said its lead more hard, the color lighter. 'B' is English 'Black' (black ) The first letter, representing the composition of the graphite, that the pencil core soft and the degree of the obvious degree of writing, the larger the number in front of it, indicating that the color is thicker and darker.
Query Verification: (new)
Telephone inquiries: 4008881861
SMS inquiry: edit 700 to 12114
Web site query: aj.4d4c.com