3Dheli.com

Instruction:

●Use for T-REX 250.

Specification:

●Hexagonal screw hole 1.3mm
●Socket button head screw x 2(0#x3mm)
●Socket button head screw x 6(0#x4mm)
●Socket buton head self tapping screw x 16(T1.5x3mm)
●Countersunk philips self tapping screw x 3(T1.5x4mm)
●M2 set screw x 2(M2x6mm)