4Pcs 4.0/4.7/5.7/6.7mm Ball Head Reamer Driver Repair Tools Kit for RC Model

Specification: Handle diameter: 14mm Handle length: 62mm Total length: 74mm Ball head diameter: 4 / 4.7 / 5.7 / 6.7mm Feature: Made of Hard Steel Material Packaging included: 1 x 4.0 mm Ball Head Reamer 1 x 4.7 mm Ball Head Reamer 1 x 5.7 mm Ball Head Reamer 1 x 6.7 mm Ball Head Reamer