Flexible Magnetic Base Stand For Dial Indicator Gauge Use Indicator Holder 4-3/4'' x 1'' x 7/8'' universal magnetic base Holding Power: 45lbs ; lug back: 1/4-20 ; Tapped hole: 10-32 Reamed hole: 3/8" diameter ; Zinc die cast housing 5 different locations for mounting accessories: 3 lug mounts, 1 tapped hole, 1 reamed hole Quantity:1 ; Shipping weight: 6 OUNCE