Item | Spike pin length | Roller length |
---|---|---|
1125 | 11 mm ( 0.43 inch ) | 250 mm ( 9.8 inch ) |
1150 | 11 mm | 500 mm ( 19.6 inch ) |
1175 | 11 mm | 750 mm ( 29.5 inch ) |
2125 | 21 mm ( 0.82 inch ) | 250 mm |
2150 | 21 mm | 500 mm |
2175 | 21 mm | 750 mm |
3125 | 31 mm ( 1.2 inch ) | 250 mm |
3150 | 31 mm | 500 mm |
3175 | 31 mm | 750 mm |