Here we have a Pentel Tradio TRP55 mechanical pencil. Although this is not my favorite pencil in the world it still deserves a place in my collection. As you know, I have a thing

Today I am going to take a bit of a detour from my main focus of side knock mechanical pencils. Here is a vintage Platinum "Z" MoMA Design Collection mechanical pencil. These amazing

This is truly an oddball pencil. And the fact that it's a side knock makes it even better. The Pentel Technica PD1055 is a boxy side knock mechanical pencil that I actually know

These opaque colored PD345s came out in 1977. The solid colors hit the market first with the transparent variations following soon after. The first round of PD345s held 0.5 mm lead and were

Welcome to the sideknocks blog. This blog is dedicated to my collection of mechanical pencils.  My interest in mechanical pencils began as a kid in the 1980's with the discovery of the original