- Artist
- Robert Morris 1931 – 2018
- Medium
- Painted wood, piano hinge and metal rod supported on hooks
- Dimensions
- Unconfirmed: 174 × 1855 × 70 mm open
confirmed: 105 × 1855 × 70 mm closed - Collection
- Tate
- Acquisition
- Presented by the American Fund for the Tate Gallery 2010
- Reference
- T13350