Idler wheel pulley or tensioner pulley
Tooth profile: smooth no tooth
ID: 5mm (2pcs 695ZZ Ball Bearing Built-in)
For up to 10mm Belt
It's works great with our 18T, 20T MXL and GT2 Pulley, Built-in 695ZZ Ball Bearing can be mounted onto 5mm shaft or rod as flying idler or tensioner pulley.