movement holder universalUniversal movement holder made of metal with base Ø 31mm and adjustable hollow centre screw, suitable for the hand press bars of Boley and Bergeon. Swiss-Made. Products namesizesupport screwBasis-Øitem No.movement holder5 1/2'''131mm511630movement holder5 1/2 x 6 3/4'''131mm511629movement holder5 1/2 x 8'''131mm511637movement holder6 3/4 x 8'''131mm511631movement holder7 3/4'''131mm511632movement holder8 1/4'''131mm511633movement holder8 3/4'''131mm511634movement holder9'''131mm511635movement holder10 1/2131mm511636movement holder11 1/2131mm511638movement holder12 1/2'''131mm511642movement holder13 1/4'''131mm511639movement holder13 1/2'''131mm511640movement holder16 1/2'''131mm511641Support screwM4 0.75/0.40mm511645