Crystal Pro Speaker Kit D-30047 They feature dual material ergonomic

They feature dual material ergonomic handles for added comfort and durability

Operating temperature -20C to +105C

(Wheel Bore) 16mm (5/8) Thread (Nut) M16 x 2

0mm AF Hex Keys: 5/64

Crystal Pro Speaker Kit D-30047 They feature dual material ergonomic57 STPCRPRO CRYSTAL PRO SPEAKER KIT The Crystal Pro speaker kit comes with an industry leading 3 layer back wave dispersion pad, made from an aluminium foil which will properly disperse those unwanted back waves and won? t hold water and rot like many other foam alternatives. The included closed cell foam rings come in a variety of sizes making them suitable for use in virtually any installation. Sealing drivers to door trims, spacers to door skins,