PR210-4-16/20/4 ring clip 206mm Item: 4 ring clip Material: iron Surface treatment: nickel/black Length available: 153/210/280/292/300MM Width available: 15/17/20/26/36MM Inner diameter available: 16/17/19/20/25/30/32/35/38/40/50/65/75MM Shape of ring: Q/R/D/tilted D Patent products and conventional products offered OEM is available. item code: PR210-4-16/20 material: iron color: nickel, black length: 206mm width: 20mm inenr diameter: 16mm packing: 400pcs/ctn