RC Screwz Mugen MBX7 ECO Stainless Steel Screw Kit: Industrial & Scientific. RC Screwz Mugen MBX7 ECO Stainless Steel Screw Kit: Industrial & Scientific. Mugen Seiki MBX-7 Eco Stainless Steel Screw Kit . This is an RCScrewz Mugen MBX7 ECO Stainless Steel Screw Kit. The RCScrewZ Stainless Screw Kit is 100% complete and includes everything needed to do a full conversion and more. The quality of the Stainless Steel Screw Kits far surpasses any stock screws included with you RC; forget about stripped heads and bent, corroded, or rusted screws. You will not find a better screw kit for your RC at any price and RCScrewz Guarantee's it. If for any reason your not 100% satisfied with your kit, return your screw kit to RCScrewz and they will send you a full refund for the price of the kit..Includes:. All socket screws + Extras. Button Screws + Extras. Flat Head Screws + Extras. Set Screws + Extras. Nuts + Extras. Washers + Extras. Bondhus Short Arm hex Wrenches All Sizes. Quality Reusable plastic pit case.General Screw Installation & Notes: Use either a wax or grease on the threads to help prevent stripping while going into new or hard material. Some screws that are included in the the kits remain phillips heads but are still stainless steel. This has been done for strength, as a result of field testing, on small diameter screws (2mm and 2-56" dia). This may include some chassis screws and differential screws. All other remain socket head. Please refer to your assembly manual for screw locations.. . . .