40Pcs 6X30X13mm Plastic Coated Sealed Bearings Steel 606ZZ Deep U Groove Guide Pulley Rail Rolling Bearing Wheel

colour:Orange
Material:Plastic + bearing steel
Size:0.6 x 3 x 1.3cm/0.24 x 1.18 x 0.51 inch(ID x OD x T)
Inside Diameter: 6MM
Outside diameter: 30MM
Thickness: 13MM

Package Contents:
40 x Bearing Pulley Wheel

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.