Johnson J72EM Inch/Metric Aluminum Straight Edge, 72", Silver Power Random Orbit Sanders Typically 6-inch and 8-inch knives

Typically 6-inch and 8-inch knives are used for setting tape and 10-inch and 12-inch knives are used for applying finishing coats

Excellent results on chrome

Zero backlash jaw pressure prevents damage to edges of sensitive components

The highest level of protection on the market is made better with our unique Tapered Lens Technology (TLT) that eliminates refraction which reduces eye fatigue and distortion

Johnson J72EM Inch/Metric Aluminum Straight Edge, 72", Silver Power Random Orbit Sanders Typically 6-inch and 8-inch knivesPRODUCT DESCRIPTION Durable and accurate, Johnson's 72" heavy duty aluminum straight edge features screened, thermal bonded graduations in english and metric graduations (1 8", 1 16" and 2mm) that are bold and easy to read. And its clear anodized finish keeps it protected from wear and tear. The straight edge also features a hanging hole for convenient storage. Extruded aluminum with clear (silver) anodized finish. Screened, thermal bonded black