Sheaves are machined all over. Both are furnished with Standard Keyseats and Hollow Head Setscrews.
| Part No. | O.D | F | G | L | K | Wt. Lbs | ||
| Max. | Min. | Max. | Min. | |||||
| 1VL25 | 2.5 | 25/32 | 17/32 | 5/8 | 3/8 | 1 1/2 | 37/64 | 0.80 |
| 1VL30 | 2.87 | 25/32 | 17/32 | 5/8 | 3/8 | 1 1/2 | 37/64 | 1.00 |
| 1VL34 | 3.15 | 1 | 5/8 | 7/8 | 1/2 | 1 11/16 | 37/64 | 1.10 |
| 1VL40 | 3.75 | 1 | 5/8 | 7/8 | 1/2 | 1 11/16 | 37/64 | 1.30 |
| 1VL44 | 4.15 | 1 | 5/8 | 7/8 | 1/2 | 1 11/16 | 37/64 | 1.30 |
| 1VM50 | 4.75 | 1 1/16 | 11/16 | 7/8 | 1/2 | 1 7/8 | 21/32 | 2.80 |
Stock “VL” and “VM” Variable Pith Sheaves
| Part No. | ”3L”BELTS | Stork Bores Marked “x” | ||||||
| Min. Pitch | Turns Open | Max. Pitch | Turns Open | 1/2 | 5/8 | 3/4 | 7/8 | |
| 1VL25 | 1.6 | 4 | 2.4 | 0 | x | x | – | – |
| 1VL30 | 1.8 | 4 | 2.7 | 0 | x | x | – | – |
| 1VL34 | 1.7 | 4 | 2.5 | 0 | x | x | x | – |
| 1VL40 | 2.3 | 4 | 3.1 | 0 | x | x | x | x |
| 1VL44 | 2.7 | 4 | 3.5 | 0 | x | x | x | x |
| 1VM50 | 3.3 | 4 | 4.1 | 0 | x | x | x | x |
| Part No. | ”4L”or”A”BELTS | Stork Bores Marked “x” | ||||||
| Min. Datum | Turns Open | Max. Datum | Turns Open | 1/2 | 5/8 | 3/4 | 7/8 | |
| 1VL25 | – | – | – | – | x | x | – | – |
| 1VL30 | – | – | – | – | x | x | – | – |
| 1VL34 | 1.9 | 5 | 2.9 | 0 | x | x | x | – |
| 1VL40 | 2.4 | 5 | 3.4 | 0 | x | x | x | x |
| 1VL44 | 2.8 | 5 | 3.8 | 0 | x | x | x | x |
| 1VM50 | 3.4 | 5 | 4.4 | 0 | x | x | x | x |
| Part No. | ”5L”or”B”BELTS | Stork Bores Marked “x” | ||||||
| Min. Datum | Turns Open | Max. Datum | Turns Open | 1/2 | 5/8 | 3/4 | 7/8 | |
| 1VL25 | – | – | – | – | x | x | – | – |
| 1VL30 | – | – | – | – | x | x | – | – |
| 1VL34 | 2.4 | 5 | 3.2 | 1 | x | x | x | – |
| 1VL40 | 2.7 | 6 | 3.7 | 1 | x | x | x | x |
| 1VL44 | 3.1 | 6 | 4.1 | 1 | x | x | x | x |
| 1VM50 | 3.7 | 6 | 4.7 | 1 | x | x | x | x |