ลูกบอลเหล็กคาร์บอน 1 ชิ้น 48 x 32 x 20 มม. | Shopee …
Material: Carbon steel; Color: silver Hole diameter: 4mm Hole distance size: 40mm Ball diameter: 15mm Size: 48x32x20mm Application: small machinery, trolleys, furniture and rack, etc. Note: The wheel accurately using the method is to install the bead up, if it is upside down, often lead to the ball stuck, rolling is not smooth, this is not a quality problem Package include: 5 x swivel ball ...