Materials: Band--W1 Zinc Plated Steel & 304 Stainless Steel, Rubber Lined--EPDM. Mounting Hole: 6.4mm, 6.4mm, 8.4mm. Band Width:12.7mm, 15mm, 20mm. Due to monitor error, the picture and the actual color have a slight error, and do not affect the good quality of the product.
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