Simple one handed operation, Measures 3 1/2" - 7", Fits in your pocket.
DECO Frame Height Steel Gauge, 3 Inch to 4-3/8 Inch
20 Ton Hydraulic Shop Press H-Frame 4-Hold Adjustable Height with Movable Plates
6/12/20 Ton Hydraulic Shop Press,H-Frame Press,Adjustable Height,Movable Plates
Champ Fixed Height Adjustable Dolly 4701 - Auto and Truck Body Frame Repair Tool
12 Ton Hydraulic Shop Press - H-Frame, Adjustable Height, Movable Plates for Gar
Performance Tool W85021 Creeper Seat, C-Frame, 12.50 in. Height, Each