The B-1A is an in-line double slotted post holder base made from stainless steel. The in-line slot configuration allows the base to translated linearly with out rotation. The base also has a bottom-side counterbored through hole to allow attachment of post holders like the VPH-3 or posts like the PS-3T. The base rests on four pads to provide long term stability.


B-1A是一种由不锈钢制成的直列双槽柱座基座。内联插槽配置允许基座在不旋转的情况下线性平移。该基地也有一个底部侧面钻透孔,允许附件的职位持有人,如VPH-3或职位,如PS-3T。该基地基于四个垫提供长期稳定。