Mitutoyo Magnetic Indicator Stand This Mitutoyo Magnetic Stands accept all AGD-type dial indicators, test indicators and probes having 8mm or 3/8" diameter shanks and/or lug back with 1/4" diameter mounting hole. The On/Off switch offers instant mounting and dismounting without any adverse effect to the indicators or work surface. Mitutoyo Magnetic Stands have 132 Lbf of magnetic force to help prevent damage to indicators and probes due to accidental base fall-over. Specifications include... 132 lbf Magnetic Force Mag Base dimensions... 2.16" Tall 1.97" Wide 2.28" Deep 7" Fixed Post Length 6.5" Adjustable Post Length