Bqlzr 4'' 5'' 6'' Bass Drum Head Port O'S Rings & Hole & 5'' Ring Black

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,. 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 O'S Rings 1X Drum Head Port Hole Cover Ring 5-Inch 1X Hole