Great Set for R/C model assembly!- This R/C tool set is great for assembling R/C models and includes medium and large sized screwdrivers (+), a screwdriver (-), 5.5mm and 7mm box wrench, and three hex wrenches of 1.5mm, 2mm, and 2.5mm. Also included is a removable grip which can be connected to each screwdriver. The stand and the transparent cover offer convenient and handy use. Screwdriver (+) M ??2.0-2.6mm screwsScrewdriver (+) L ??3-5mm screwsScrewdriver (-) ??Engine adjustment screwsBox Wrench ??3mm nuts5.5mm ??4mm flange lock nuts for wheelsBox Wrench 7mm ??33mm grub screwsHex Wrench ??3mm hex screws and 2.6mm cap screws1.5mm ??3mm cap screwsHex Wrench 2mmHex Wrench 2.5mm