Oatey DWV J-Hook provides fast, easy and economical way to secure drain piping. DWV JHooks * allow for the expansion and contraction of piping systems. DWV J-Hooks can be used on Schedule 30 & 40 piping to * support drain, waste and vent piping from joists and rafters. Nail holes on the stem allow for attachment at various angles for * pipe runs. DWV J-Hooks have a diagonal nail slot for ease of use in tight areas Pre-loaded nails in stemDiagonal nail path for use in tight applicationsLocking finger for tight hold at any angle, including invertedAdditional holes allow securing with cable ties or other fastenersMade of black and white ABS Temperature range: -40°F - 180°F