1. Gradd: Gradd 4.8, Gradd 8.8, Gradd 10.9, Gradd 12.9 A2-70, A4-70, A4-80
2.Size:1/4″, 5/16″, 3/8″, 1/2″, M6, M8, M10, M12
Meddwl: 6mm, 8mm, 9mm, 11mm, 12mm
Hyd y gwanwyn: 20mm, 40mm, 60mm
3. Safon: (DIN, ISO, ASME / ANSI, JIS, CNS, KS, NF, AS / NZS, UNI, GB)
4. Ardystiad: ISO9001,PW, SGS