Non-slip worm drive. Precision manufactured from the finest British steels to BS 5315. For automotive, gas, plumbing and agricultural applications. Contains sizes 000 to size 2X. (9mm to 60mm diameter).

Size: OOO. Diameter (mm): min: 9, max: 13. Pack contents: 50: 4.
Size: MOO. Diameter (mm): min: 13, max: 16. Pack contents: 50: 4.
Size: OO. Diameter (mm): min: 13, max: 19. Pack contents: 50: 8.
Size: O. Diameter (mm): min: 16, max: 22. Pack contents: 50: 6.
Size: OX. Diameter (mm): min: 19, max: 25. Pack contents: 50: 5.
Size: 1A. Diameter (mm): min: 22, max: 29. Pack contents: 50: 4.
Size: 1. Diameter (mm): min: 25, max: 35. Pack contents: 50: 5.
Size: 1X. Diameter (mm): min: 28, max: 41. Pack contents: 50: 4.
Size: 2A. Diameter (mm): min: 31, max: 48. Pack contents: 50: 3.
Size: 2. Diameter (mm): min: 38, max: 54. Pack contents: 50: 4.
Size: 2X. Diameter (mm): min: 44, max: 60. Pack contents: 50: 3.