4pcs SK16 16mm CNC Aluminum Linear Rail Shaft Guide Support Bearing Go to amazon.com Related posts Top 10 best 16mm bearing support: Which is the best one in 2024? Feature4pcs SK16 CNC Aluminum Linear Rail Shaft Guide Support BearingMaterial: Aluminum alloyShaft dia: 16mmPackage included: 4 x Linear Rail Shaft Guide Support Description4pcs SK16 CNC Aluminum Linear Rail Shaft Guide Support Bearing 16mm