Description
Specification:
| Diameter | Length |
| 6mm | 25~35mm, 38~48mm ,50~60mm, 62~75mm, 80~95mm ,98~115mm |
| 7mm | 25~35mm, 38~48mm, 50~60mm, 62~75mm, 80~95mm ,98~115mm |
| 8mm | 25~35mm, 38~48mm, 50~60mm, 62~75mm, 80~95mm, 98~115mm |
| 8.5mm | 25~35mm, 38~48mm, 50~60mm, 62~75mm, 80~95mm, 98~115mm
|
| =9mm | 25~35mm , 38~48mm, 50~60mm, 62~75mm, 80~95mm, 98~115mm |
