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 screws Screwdriver (+) L ??3-5mm screws Screwdriver (-) ??Engine adjustment screws Box Wrench ??3mm nuts 5.5mm ??4mm flange lock nuts for wheels Box Wrench 7mm ??3�?3mm grub screws Hex Wrench ??3mm hex screws and 2.6mm cap screws 1.5mm ??3mm cap screws Hex Wrench 2mm Hex Wrench 2.5mm