This is the GWS IPS-DX2BB-AXCS 1AXC-4A Gearbox/Motor Assembly with spinner. FEATURES: Ball bearing supported gearbox "A" ratio gearbox IPS Motor Black plastic one-piece spinner INCLUDES: One gearbox/motor assembly REQUIRES: Suggest battery 110-270mAh 6-7.2V battery SPECS: Length: 2-11/16" (66mm) Width: 7/8" (22mm) Height: 1-3/6" (35mm) COMMENTS: This gearbox/motor assembly should work well with EP1047 propellers (GWSQ2020) or EP9070 propellers (GWSQ2019). ajw 10-10-04