3M Fire Barrier Pass-Through Single Mounting Brackets PT4SMB, 4 in. Square (24/case) Specialty Stone Router Bits the STT1 allows operators to

the STT1 allows operators to safely transition materials between upright storage and horizontal working positions while minimizing physical strain

Vertical Working Load Limit: 110 lbs (50 kg)

With dual spring action and adjustable height settings

Geared down for more torque and less vibrations

Unlike air-powered alternatives such as the PT410TAIR or curved-surface models like the PT410CAC

3M Fire Barrier Pass-Through Single Mounting Brackets PT4SMB, 4 in. Square (24/case) Specialty Stone Router Bits the STT1 allows operators toOur 3M Fire Barrier Pass Through Brackets Square are designed for use in conjunction with our 3M Fire Barrier Pass Through Device to support and strengthen firestop through penetration installations. Designed to work in conjunction with 3M Fire Barrier Pass Through Device Square Durable metal brackets add strength and support to through penetration firestop assemblies Brackets come in pairs for securing the device on each side of the penetration