We are often asked, “When do I use a +2.5%, +5%, +6% or +10% Sheave Gauge?” To see which format is appropriate for your application. Click here. Stainless Steel Wire Rope Sheave Gauges Stainless steel wire rope and sheave gauges for measuring worn sheave grooves on the end, together with a rope gauge on the shank. The gauges are produced in thick 18 gauge (0.05") Stainless Steel. Click here to Order ABS Plastic Sheave Gauges The original +5% Wire Rope and Sheave Gauges includes 14 measurement blades, graduated from 1/2" to 1 1/2" with Metric equivalents. Click for information Star Wire Rope and Sheave Gauge Star gauges are more durable than plastic gauges yet less expensive than Stainless Steel sets. Click for information For a superior finish and exceptional presentation ask about having any of our standard sets or a custom set produced in Anodized Aluminum. Click for Information.