Aerpro Mdf Speaker Spacer 6X9 Pair KT405355 Set Contents:AT350 1 2in Drive TL121 Set Contents:AT350 1 2in Drive Oxygen Sensor Socket 29mm x 90mmAT355 3 8in Drive Oxygen Sensor Socket 22mm x 90mmAT360 1 2in Drive Injector Socket 27mm x 85mmAT365 3 8in Drive Vacuum Switch Connector Socket 7 8inx 80mmAT370 3 8in Drive Oil Sender Pressure Unit Socket 1 1 16in x 74mmAT375 1 2in Drive Oxygen Sensor Socket 7 8in x 50mmAT380 3 8in Drive Off set Oxygen Sensor Socket 7 8in x30mm HAS028P Tridon Clamp S S 33 57mm 10Pc Pkt The Tridon MAH HAS all stainless perforated band clamp range provides superior design and proven reliability AERPRO MDF SPEAKER SPACER 6X9 PAIR The AP3181 speaker spaces are designed for 6 inch x 9 inch speakers These spacers are 16mm thick