Technical Parameters
| Material: | Aluminum Body/aluminum Stem |
| Surface Finishing: | Blue Zinc plated ,yellow zinc plated |
| Diameter: | 3.2mm, 4.0mm, 4.8mm, 6.4mm,(1/8, 5/32, 3/16,1/4) |
| Head: | Flat Head.PLAIN.open end |
| Standard: | IFI-114 and DIN 7337, GB. Non-standard |







