Simpson J813 Floor Beam Leveler Jack Pier 8-13 in ACBH Concealed Beam Hanger The JMD-40GHPF features an R8

The JMD-40GHPF features an R8 spindle taper

The hydraulic/pneumatic system delivers 30-40 strokes per minute

standoff raises the base of the post above the concrete surface

and operator convenience required for serious metalworking and production milling applications

Simpson J813 Floor Beam Leveler Jack Pier 8-13 in ACBH Concealed Beam Hanger The JMD-40GHPF features an R8The Simpson J813 Floor Beam Leveler Jack Pier (8 13 in), model number J813 by Simpson Strong Tie, is an engineered jack pier designed to deliver precise floor beam leveling both during and after construction. Combining leveling simplicity with durable materials, the J813 provides reliable support and adjustability for residential and light commercial floor beam applications where maintaining a level structure is critical. Key Features Designed for