| Name: | BONAITI (Oval Screwlock) |
| Category: | screw lock |
| Locking Type: | manual |
| Locks: | screw |
| Unlock Style: | nose stopped - longitudinal interferance |
| Sleeve Rotation: | 810° (unlocked) | 1283° (maximum) |
| Shape: | oval |
| Material: | aluminum |
| Profile: | flat |
| Nose: | notch & pin |
| Nose Guard: | none |
| Rivets: | domed |
| Gate Shield: | none |
| Weight: | 57 g |
| Dimensions: | Length: 102.92 mm Width: 54.1 mm Rope Bearing Depth: 9.94 mm Gate Opening: 17.3 mm |
| Strength Ratings: |  1500 KG. |  600 KG. |
| Other Markings: | Stamped (Rollmarked?): BONAITI ITALY | (ratings) Stamped (hand?): R [between Bonaiti and Italy] |
| Summary: | nose-stopped oval screwlock |
| Description & Commentary: |