Specification BaseType : Pedestal Brand : SPI BulletPoint1 : Compact, sturdy design at only 8-1/2 inches overall height, for quick set-up versatility BulletPoint2 : Strong 1 inch diameter column (7 inches high) BulletPoint3 : Base and indicator arm are made from stabilized castings BulletPoint4 : Precision working surface measures 3-1/4 inch square. Parallel fine adjustment has 0.100 inch travel. 5-3/8 inch clearance between base and indicator holder. Overall base dimensions: 4 inches x 5-3/4 inches x 1-1/2 inches. BulletPoint5 : Furnished with 2 bushings for 3/8 inch and 8mm indicator stems Color : Gray ItemName : SPI 30-205-09 Comparator Stand: 3-1/4" Precision Ground Working Surface, 1" Diameter x 7" High Column ItemTypeKeyword : indicator-stands Manufacturer : MSC Industrial ModelName : 30-205-9 ModelNumber : 30-205-9 PartNumber : 1719103 ProductDescription : The SPI comparator stand offers compact, sturdy design at only 8-1/2 inches overall height, and is extremely versatile for quick set-ups. Has a strong 1 inch diameter column (7 inches high). Base and indicator arm are made from stabilized castings. Precision working surface measures 3-1/4 inch square. Parallel fine adjustment has 0.100 inch travel. 5-3/8 inch clearance between base and indicator holder. Overall base dimensions: 4 inches x 5-3/4 inches x 1-1/2 inches. Furnished with 2 bushings for 3/8 inch and 8mm indicator stems.