Specification BaseType : Pedestal Brand : SPI BulletPoint1 : Accepts all dial or test indicators with 5/32", 5/16", and 3/8" diameter stems or with a 1/4" lugnut mount BulletPoint2 : Magnetic base is 2-1/4" x 2" x 2-1/8" with on-off switch and 175 lbs magnetic pull BulletPoint3 : Base features a v-shape and outside flats for use on round or flat surfaces BulletPoint4 : Overall Arm length: 9 inches, does not allow for fine adjustment BulletPoint5 : Furnished with 2 bushings for 3/8 inch and 8mm indicator stems Color : Gray ItemName : SPI 14-400-6 Magnetic Base Indicator Holder with Post & Rod Arm: 175 lb Pull, without Fine Adjustment ItemShape : 12 inch ItemTypeKeyword : indicator-stands Manufacturer : MSC Industrial ModelName : 14-400-6 ModelNumber : 14-400-6 PartNumber : 36886257 ProductDescription : Accepts all dial or test indicators with 5/32", 5/16", and 3/8" diameter stems or with a 1/4" lugnut mount. Magnetic base has an on-off switch and 175 lbs magnetic pull. Magnetic base dimensions: 2-1/4" x 2" x 2-1/8". Base features a v-shape and outside flats for use on round or flat surfaces. Overall Arm length of 9 inches.