Fielect 10 inches Paper Speaker Cone Subwoofer Cones Drum Paper 1.4 inches Inner Diameter 9.6 inches Outside Diameter with Rubber Surround 2Pcs 10" 35.5mm 245mm 2Pcs auspowers_batchsix If you have any issues

If you have any issues after purchase or during use

Drill Hole Diameter: 12mm / 0

The Ring Closed magnet field won't impact your phone signal

So in climbing terms

They will not move around and close easily without noise

Fielect 10 inches Paper Speaker Cone Subwoofer Cones Drum Paper 1.4 inches Inner Diameter 9.6 inches Outside Diameter with Rubber Surround 2Pcs 10" 35.5mm 245mm 2Pcs auspowers_batchsix If you have any issuesFielect 10 inches Paper Speaker Cone Subwoofer Cones Drum Paper 1. 4 inches Inner Diameter 9. 6 inches Outside Diameter with Rubber Surround 2Pcs Product Features Dimension Outer Diameter: 245mm 9. 56" ; Inner Diameter: 35. 5mm 1. 38"; Depth: 55mm 2. 15"; Material: paper and rubber. High Quality Materials The Paper Speaker Cone Drum is made of high grade paper. Strong enough to resist scratch and stretch, a sealed round edge would block the dirt and