100pcs A4 Size 34 Teeth Hole Notebook Double Wire Metal Binding Loop Calendar Coil Loose-leaf Notebook Book Ring Spring Staplin

High-concerned chemical：None isCustomized：Yes Model Number：SP-2 Load Type：Torsion Style：COIL DIY Supplies：Metalworking Material：Iron Brand Name：co-work Origin：Mainland China Certification：NONE Use：Industrial Color：Black,White

High-concerned chemical: None isCustomized: Yes Model Number: SP-2 Load Type: Torsion Style: COIL DIY Supplies: Metalworking Material: Iron Brand Name: co-work Origin: Mainland China Certification: NONE Use: Industrial Color: Black,White