Polycarbonate Mini V Wheel Kit (8 Pack) for 20mm Aluminum Extrusion Linear Rail, CNC, 3D Printers
Brand: ProtoBuilds

Compatible with 20mm x 20mm V profile aluminum extrusion rail systems. Each wheel kit includes: (1) Polycarbonate mini V wheel, (2) Ball bearings 4x10x5mm, (2) Precision shim 8x5x1mm, (1) M5 lock nut with nylon insert. Polycarbonate mini V wheel specs: Rockwell Hardness: M75, Compression Strength: 86MPA, OD: 15.23, ID: 9.974 +/- 0.026, Thick: 8.8, Material: polycarbonate, Color: clear

Each wheel kit includes:
(1) Polycarbonate mini V wheel
(2) Ball bearings 4x10x5mm
(2) Precision shim 8x5x1mm
(1) M5 lock nut with nylon insert