Milton S-1806 Coupler 'Tools'] Opening size is 8 point

Opening size is 8 point and 2-9/16”

This item is 41830 SPOUT

Toe Control 4" Drain Strainer with Square No Hole Faceplate Polished Chrome | This item is used for Rough Plumbing

Universal | Quick-Opening | Left handed | Bspt | For the 1224 threading machine

Milton S-1806 Coupler 'Tools'] Opening size is 8 pointP Style coupler bodies are heavy duty steel Maximum inlet pressure: 300 PSI Maximum temperature: 250 degrees F Air flow: 68 SCFMFeatures and Benefits: Made of sturdy, durable, high strength material. Shaped to fit the hand comfortably. Embossed rubber face which allows good adhesion for Stikit sheet rolls and Stikit Production Sheets. This block uses 3m, it's unique Stikit attachment system.