The only tool needed to quickly install HoldRite DWV testing systems, the TestRite™ Spanner Ring Wrench is ideal for new construction. The TestRite Service Wrench is designed for quicker service and repairs of HoldRite DWV testing systems, no matter how tight a space you're working in.
- Spanner ring wrench is nickel plated and comes in sizes 2-3 in. and 4-6 in.
- Service wrench is adjustable from 2-6 in. for recessed and/or tight in-wall locations and is fashioned with chrome-plated steel