One 2mm key for every M4 x 3 set screw you own.
One 2mm key for every M4 x 3 set screw you own.
WRITE REVIEW
The 2mm Allen Key is the correct hex tool for every M4 x 3 set screw in the RGB Critter modular system. One key covers the tube builds and the rear counterweight.
It drives the two clamping screws that secure Flow Saber, staff, and light painting tubes inside the RGB Critter Tube Adapter, and the two M4 x 3 set screws that lock the stainless steel Contact Saber Weight inside the Silicone Cap Mount.
Compatible with:
RGB Critter Tube Adapter (set screws)
Contact Saber Weight / Silicone Cap Mount (2x M4 x 3 set screws)
Silicone Cap Counterweight System and Kit
Flow Saber, staff and light painting tubes
Size: 2mm
Type: Hex / Allen Key
Use: M4 x 3 set screw installation (tube adapter + counterweight)
Transform your light art with our modular light painting tubes. Designed for photographers and artists, these customizable tubes let you create stunning long-exposure effects and dynamic light trails.
Broad ribbons of color. Needs the Tube Adapter.
4.8 (47), rated 4.8 out of 5 from 47 reviewsLaser-cut honeycomb texture for long exposures.
4.7 (29), rated 4.7 out of 5 from 29 reviewsLaser-cut wings for textured light trails.
4.5 (21), rated 4.5 out of 5 from 21 reviewsLaser-cut spirals that twist dotted trails of light.
5.0 (1), rated 5.0 out of 5 from 1 reviewsTEXT SUPPORT: +1-541-321-6254
Exclusive offers, new products, and members-only content
2,400+ members on Facebook
© Copyright 2026. ANTS ON A MELON, INC.
This lithium-ion battery cannot be shipped internationally and cannot be added to your cart.
You can purchase the required battery locally with these specifications:
Do not purchase protected, button top, 3.2V, or 1.5V cells.
Ants on a Melon is not responsible for batteries purchased from third-party sellers. Please verify specifications and use only high-quality lithium-ion cells from reputable brands.
