This is the GWS IPS-DX2BB-2XCS 12XC-42 Gearbox/Motor Assembly with Spinner. FEATURES: Ball bearing supported gearbox "S2" 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 EP7060 propellers (GWSQ2015) or EP8043 propellers (GWSQ2016). GWSPart GWSIPS-DX2BB-2XCS