Here’s a bleed block to space out the pistons of your brake during the bleeding process. There are different shapes of bleed block, make sure you get the right one!

Shapes we offer: 

Shimano 2 piston: fits Shimano b05s and g02s shape pads
Shimamo 4 piston: fits Shimano d02s shape pads
Shimano Road: Fits Shimano drop bar brakes - k02s shape pads
SRAM Level
SRAM Guide
SRAM Code 
SRAM Road 
Magura MT5/MT7

Bleed block features:

We may be the only company in the world to care about bleed block features... We designed these into all of our blocks:

A chamfered leading-edge allows you to put your bleed block into your brakes more easily without it catching on the pistons.
A handle that allows you to guide the bleed block into the caliper more easily.

Notes

The shimano 2 piston version doesn't have a handle on account of some of these calipers not being accessible from the top of the caliper.