Mr Slotcar MR6525R 14.5mm 25T (25 Teeth) Ergal Lightweight Anglewinder Gear for 3/32" axles. "Ergal" is a trade name for 7075 aluminum alloy. Uses M2.5 set screw (included).
** Note ** Package contains one (1) anglewinder spur gear (product photo shows front and back of gear).
Need a hex driver for M2.5 Set Screws ==> M2.5 Set Screw Hex Driver