26800B-535 Arbor: With Arbor Features: -Stand.-With ultra smooth movement of ball bearing slide.-Great for inspection applications where magnification adjustment and ability to move across specimen are important.-Base: 11" x 10" x 1.25" (285 x 260 x 32 mm).-Vertical post: 15" L (380 mm).-Horizontal post: 22.5" (570 mm).-Extension post: 9" L (225 mm).-Diameter: 1.5" (37 mm) for total post length of 24". Includes: -Safety clamp included. Specifications: -Use our E-Arm or our mounting post 26800B-521 with focus mount SCW-PA for mounting microscope bodies. Dimensions: -Base weight: 21 lbs.-Weight: 43 lbs.