Selkirk 208424 Support Box, 8", #8T-SB HELLOFALL10 Double HH quality ratchet jacks

Double HH quality ratchet jacks are precision engineered to get the job done

If the job requires more than one batch

painting & wallpaper tools

A minimum of a 2 minute contact time is required

Rotate tube to adjust closing speed

Selkirk 208424 Support Box, 8", #8T-SB HELLOFALL10 Double HH quality ratchet jacksThe Support Box is intended for use when installing a Sure Temp chimney in an a frame, in a mobile home, or in a ceiling under a narrow section of roof. It provides a finished installation at the ceiling level and will support up to 20 feet of 8" diameter chimney. The part also can be used to provide shielding from insulation when installed in an unoccupied attic space. The support box assembly is comprised of a black box designed for installation