26800B-519 Arbor: Without Arbor Features: -Stand.-Perfect for stationary video and microscopy applications.-Nickel plated.-Sturdy and stable.-Vertical post: 16" (406 mm).-Horizontal post: 16" (406 mm).-Post diameter: 1.19" (30.16 mm). Includes: -Safety clamp Included. Specifications: -Use with E-Arm or mounting post 26800B-521 with focus mount SCW-PA. Dimensions: -Base weight: 21 lbs.-Weight: 45 lbs.