D1 Caddy & Tool tpc10 and a heavy black ball

and a heavy black ball chain for additional flexibility

switch them around

Transparent window branding allows for customization with Hi-Vis Patches

and cut and burn the edge

Rennen Shoulder Bag combines modular functionality and Rennen technical build to deliver a minimalist carry option for your essentials

D1 Caddy & Tool tpc10 and a heavy black ballD1 Caddy & Tool is a compact and practical way to carry spare D1 refills and a T6 hex tool. Made in the UK from aerospace grade anodised aluminium, its lightweight, durable, and easy to keep on a keychain, in your pocket, or pencil case. The water resistant screw cap includes a magnetic holder with a replaceable Wiha T6 hex bit. It fits up to four refills and is compatible with all standard 1 4 hex bits. Built to keep you writing without interruptions.