2 x 6.5 Speaker - Subwoofer Replacement Spider

2 x 6.5 Speaker / Subwoofer Replacement Spider Some of the models that use this spider include : Any requiring a 6.5" spider and a 2" voice coil. Inside Diameter - 2" Outside Diameter - 6.5" Stiffness - "E" on a scale of A-F (F is the stiffest) Inner mounting has 1/4" tall vertical lip to hug the coil former. Stacking is not recommended. Spider - FS-B Check the Professional-grade adhesives section of our store for the proper adhesive. Same components that professional reconers use!