Specification:
Material: Silicone,Metal
Color: Black
Size:
18cm/7.1inch(Dia)
Weight: 120g

Package include:
1x Hole Cutter Tool

Features:
1.Function: It can effectively improve the sound quality of the drum bottom and preserve the drum-skin at the opening from damage.
2.The drum hole opener set surrounds the port holes with silicone and stainless steel to strengthen them to avoid tearing the head.
3.Available in three sizes 4" 5" 6" and equipped with drilling tools to meet the needs of different sizes.
4.The operation is convenient and simple, just choose a suitable size pad, fit it on the drum surface, and make the hole according to the size of the hole.
5.Use drum skin hole circles to effectively improve the sound quality of the drum bottom and prevent damage to the drum skin at the hole.