12Pcs 75mmx75mm(2.95inch) Plastic Tubing Plug Square Post End Caps for Handrail Stair Newel Guardrail Tube Black POM Rods recessed mount

recessed mount

"pro" look to your bass speaker building project

Two screw hole connections to get the air in and out

Inner Size: 150*82*41mm/5

12Pcs 75mmx75mm(2.95inch) Plastic Tubing Plug Square Post End Caps for Handrail Stair Newel Guardrail Tube Black POM Rods recessed mountDescription: * Made of soft plastic; Excellent performance in noise reduction, anti skid, and corrosion resistance. Plastic Tubing Plugs can greatly reduce noise, you should no more worry about a harsh sound when moving the chairs and tables. * Widely used in round table legs, stair railings, balcony railings, etc; Kindly reminder: choosing the sizes of these plastic covers is determined by the outside diameter of something that you want to insert. *