A blast gate with stoppers for a 60mm hose.

For one piece you need:

• 1x sliding-blast-gate-60-Gate with stopper
• 2x sliding-blast-gate-60-Connector Plate
• 2x sliding-blast-gate-60-Spacer

And the following screws:

• 4x M3 8mm SHSC or BHSC
• 4x M3 nut

Mine are printed with PETG and work well. It seems to be solid enough.