• Lightweight clamp design made of black anodized aluminum
• Rigid 3/8" diameter stainless steel indicator posts provided in three lengths (5", 7-7/16", and 9")
• Extension plate allows for added radial clearance
• Heavy-duty roller chain can accommodate up to a 7-1/2" diameter shaft
• Sets are available with either two 196B5 or 81-141J Indicators
• Excess roller chain can be secured to the side of the chain clamp
• A second shaft alignment clamp can be mounted across from the first clamp to act as a vertical "target" for face alignment

The 668 Shaft Alignment Clamp is designed for fast, precise alignment of motors, pumps, compressors, etc. This system is capable of addressing radial and angular misalignment problems and can be set up within minutes.