10 PCS 2*30mm blue pulley small pulley diy motor wheel can be set silicone wheel leather plastic model wheel drive wheel

SINONING

$3.12 
SKU: 10SN448

A pulley of 3 cm in diameter with a hole diameter of 1.9 mm and a 2 mm shaft. It can be made into a transmission structure or as a small wheel.

[Overall outer diameter]: 30mm

[Overall thickness]: 7mm

[Edge thickness]: 3.7mm

[Center hole]: 1.9mm (tightly fitted with 2mm shaft)

[Other aperture]: 2.05mm (loose with 2mm shaft)

[Back side flat hole]: 3.4*5.3mm (fit TT motor)

[shipping list]:10 pcs