Magnetic V-Base, Magnetic Pull 85 Lb, Base Size 2 X 2 11/32 X 1 13/16 In, Fine Adjustment, Rod Dia 0.39 In, Upright Post Dia 0.477 In, Uprights 1, Thread Size M8, Switch Type Lever, Overall Length 9.5 In, Gage Rod 6 In, For Use With Test Indicator, Construction Steel, Contains Plastic, Agency Compliance AGD, Includes Main Post, 1 Rod, On/Off Switch