These parts allow you to make pivoting joints and power transmissions. The brass bushing plates provide smooth low friction shaft rotation while the collars lock the shaft into position. The shafts can be used to connect BuildPlates and are compatible with mounting hubs.

Set includes:

• 3mm D-Shaft 4mm length x 8
• 3mm D-Shaft 12mm length x 8 
• 3mm D-Shaft 30mm length x 8 
• 3mm D-Shaft 60mm length x 8 
• 3mm D-Shaft 4mm length x 8 
• Shaft Mount Collar x 16
• Set Screw x 20
• Shaft Bushing Plate x 16
• Bushing Plate Screw x 40