Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.This ring keeps holes from spreading and also helps keep a thick, rich deep thump coming from your bass drum.
4.Made of high quality material,durable.
5.A set include 4" 5" 6" O Rings, Hole and 5-Inch Cover Ring,meet your different needs.
Specifications:
Material: Silicone & Metal & PVC
Color: Black
Brand name: BQLZR
Size:
"O"Ring size: 10/12.5/15 x0.5 cm / 4/5/6 x 0.25 inch(Dia x Thickness)
: 13.5x1.5x1cm/5.31x0.6x0.4inch(LxWxH)
PVC Ring size :18.8 x 13.5cm/7.40 x 5.31inch(OD x ID)
Weight: 164g
Package include:
3x Port Hole Os Rings
1x Drum Head Port Hole Cover Ring 5-inch
1x Hole