The MT60 connector contains three 3.5 mm dia bullet connectors in a yellow triangular plastic housing with practical solder-joint covers. A perfect connector system between your brushless motor and ESC.

Low-Resistance Gold Plating 2U-3U
Heat Resistant Housing (-20–200°C)
Solder Joint Protection Covers

Size (together): L: 27 (47) x 12 x 12 mm
Weight: 9.3 g (pair)
Bullet Connector Diameter: 3.5 mm (x3)
Stripped Wire Max dia: 3.0 mm

Package includes: 1 pair of MT60 connectors & solder covers