Aloris CA Quick Change Tool Post Set – 8 Pieces. Tooling & Accessories, Lathe Tooling. CA Quick Change Tool Post. Aloris CA Quick Change Tool Post Set – 8 Pieces USED 8 pieces total – Tool Post plus 7 Holders Brand: Aloris Type/Size: CA Quick Change Tool Post Parts that come with post: 2 – CA 1 Turning & Facing Holder (1/2-1″ tool capacity) 1 – CA 2 Boring Turning & Facing Holder (1/2-1″ tool capacity) 1 – CA6 – Multiple Tool Holder 1 – CA13 – Extension Tool Holder 1 – CA54 – Morse Taper Holder – MT4 1 – Dorian Tool – H100-3A (Fits the tool the post) – Extension Holder like CA13.