SSD Steel D Hole 1.55" Beadlock Wheels feature a plated finish, machined aluminum 12mm hubs and beadlock rings, combined with an internal beadlock design and SSD scale hex head bolts to round out the package. They use a 6 screw clamp system that makes it easy to mount up your tires, and are compatible with Axial 12mm hex mounts Features: 1.55" wheel size Standard 12mm hex mount Internal beadlock system Removable hub Stamped steel wheel with zinc or black plated finish CNC machined aluminum hub and rings Easy to mount tire, only 6 screws Specially made scale steel 2mm hex head bolts with yellow zinc plating Finish off the scale look with SSD Scale Locking Hubs NOTE: A 2mm (M2) hex socket is required. This tool is not included and must be purchased separately (SSD00053). Scale hex bolts may need to be tightened or threadlock before use. S S D D Hole 1 5 Specs Specifications: Width: 19mm Offset: 0.5mm Backspacing: 10mm Weight: 54g Includes: (2) Complete assembled wheels