| 出生地 |
China |
| 牌子的名字 |
S.U.G |
| 模式的数量 |
Tapered |
Button bits: 1. Tapered button bits (28mm, 30mm 32mm, 34mm, 36mm, 40mm, 42mm, 44mm and so on with different degree taper) 2. Thread Button Bits (33mm, 35mm, 45mm to 89mm, 102mm and so different degree Thread for example: R22, R25, R28, R32, R38, T38, T45, T51 etc.) 3. Retrac Button bits with different Thread different diameters.