Nasco  17-24" 2-Stage Electric Arm  SK-18E

B1A-S Create an Efficient Assembly Environment The Most Efficient Assembly Area Support for Air Tools with Swivel Boom B1A-S Series of tool supports for air tools adds the following features to the basic tool support

1/4" NPT quick disconnect coupling for rapid set up and tool change by hand
9' polyurethane coil hose with adapter for air tool
6' limp hose with 1/4" swivel male inlet for hook-up to in house air supply.