●Use for T-REX 250.
●Metal bearing holder x 2●Bearing MR74ZZ-d3.5 x 2 (Φ3.7xΦ7x2.5mm)●M1.5 special washer x 8 (Φ1.5xΦ2.7xΦ3.6x1.2mm)●Socket button head screw x 8 (0#x4mm)