4mm to 5mm bullet reducersPerfect for racers who want to use 5mm bullet connector batteriesCan minimize contact resistance.Step-design allows used on batteries either 4mm or 5mm.20mm overall length. Description: Dual diameter shaft for use with ESCs and batteries with 4mm and 5mm connectors. Features: ● 20mm overall length. ● The short version will fully seat in battery packs. ● Can minimize contact resistance. ● Step-design allows used on batteries either 4mm or 5mm. Package Include: 10pcs x 4mm to 5mm Male Bullet Connectors
