Heresy Design Silencer Timing Device - 5/8in Threads Black. It can also be used to retain direct thread silencers. Unlike traditional 6-10 piece shim sets the STD simplifies the process with 3 washers and can be installed in under 60-seconds. Specifications for Heresy Design Silencer Timing Device: Manufacturer: Heresy Design Color: Black Features of Heresy Design Silencer Timing Device Precise Alignment: Designed to produce 25 ft. lb. once the alignment point is reached no additional torquing is required. Easy Installation: No specialized tools or advanced knowledge required. Insurance for Your Investment: Reduces the risk of damage to your suppressor. Package Contents: Heresy Design Silencer Timing Device Heresy Design HSTDB: Silencer Timing Device - 5/8in Threads Black