We recommend and sell these pens from Urban Survival Gear (.net) that will fit our Park Sloper Senior wallets and other notebook covers. This is my favorite EDC pen. It is worth the price.
URBAN SURVIVAL GEAR TiSCRIBE GO BOLT PEN - MINI SIZE
This is an incredible pen for everyday use and pocket carry. The full size uses the popular Pilot G2 gel ink rollerball refill. It has an awesome clip / bolt mechanism to advance to pen.
The machining is incredibly precise and the quality is astounding.
Diameter: 0.40 in
Length: 4.78 in
Weight: 42 grams
The TiScribe-Go Mini Size is Compatible with:
Any Parker Style Refill (also Fisher Space Pen)