TRENDINGCULT
Pencils are graded from 9B – 9H. H relates to the hardness, and B to the blackness.
A very useful tame saving tool, used to mark through shapes and lines from one layer to another. Some may use this together with carbon paper.
Flexible Curve. Not a tool that I use, but some people like a help withdrawing curves. I prefer freehand curves myself, as do most experienced pattern cutters. Students and beginners may like this though.
Stanley knives are generally used to cut out narrow channels in the pattern. These may be to mark a curved dart, or a pocket position for example.
Masking Tape. To know more visit here!