Super smooth. Smaller & Lighter than the original DDP-64While retaining full functionality of the originalIncludes AM-01 (removable) Arca Mount 1. Anodized to a scratch-resistant, black finish.2. Lubricated bearings for smooth rotation.3. Laser engraved index marks.4. Two Knobs for locking top platform and panning base rotation.5. Detent interval can be changed easily.6. Ideal for making HDR(High-Dynamic Range) panorama. 7. Can be used as a normal panning base8. Complete set of 10 detent interval options:10 different degree stop increments (with equivalent number of stops around) include: 5 (72 stops)10 (36 stops)15 (24 stops)20 (18 stops)24 (15 stops)30 (12 stops)36 (10 stops)45 ( 8 stops)60 ( 6 stops)90 ( 4 stops)Stops around = 72, 36, 24, 18, 15, 12, 10, 8, 6, 4Degrees = 5, 10, 15, 20, 24, 30, 36, 45, 60, 90Diameter : 64mm Height: 46mm Weight: 330g Max Load: 10kg (22lb)All metal construction. Control lever is also metal with no plastic or rubber