重量40~50克
组合一：2.5mm+3mm+4mm三头

组合二：3mm+4mm+5mm三头

组合三：4mm+5mm+6mm三头

组合四：5mm+6mm+8mm三头

Weight 40~50g
Combination of 1:2.5mm+3mm+4mm three heads

Combination two: 3mm+4mm+5mm three heads

Combination three: 4mm+5mm+6mm three heads

Combination four: 5mm+6mm+8mm three heads