Pentel GraphGear 500 Automatic Drafting Pencil, (PG527C) - Blue has 4.7 rating out of 5.0.
4mm tip length makes it ideal for use with rulers and templates
Metallic mesh grip on a slim, beveled barrel promotes control when writing
Weighted at your fingertips for precise drafting and template work
Pre-loaded with Pentel Super Hi-Polymer HB lead; never needs sharpening, is super strong and produces a clear dark line
0.3mm, 0.5mm, 0.7mm & 0.9mm sizes available; color coded sizes for fast & easy size lead size identification
Comes with a cap to keep your eraser clean