150Pcs Metal Bonded Seal Washer Assortment Kit Bonded Washer 8 Sizes M6, M8, M10, M12, M14, M16, M18, M20 industrial_April2026 Frequency: 500Hz

Frequency: 500Hz

This magnetic insulated door curtain is suitable for doors with a width of 29" or 30" or 31" or 32" or 33" or 34" and a height of 79" or 80" or 81" or 82"

if the next day is sunny day

and stable performance

150Pcs Metal Bonded Seal Washer Assortment Kit Bonded Washer 8 Sizes M6, M8, M10, M12, M14, M16, M18, M20 industrial_April2026 Frequency: 500Hz150Pcs Metal Bonded Seal Washer Assortment Kit Bonded Washer 8 Sizes M6, M8, M10, M12, M14, M16, M18, M20 Specification: Material: Metal + Rubber > Package Dimensions: 17. 49. 92. 2cm 6. 85"3. 9"0. 9" Weight: 281g approx. Package include: M6 20pcs M8 20pcs M10 20pcs M12 20pcs M14 20pcs M16 20pcs M18 15pcs M20 15pcs Package Quantity: 150Pcs Product Features Quality material: Made of metal and rubber, good sealing. high pressure resistant, oil