3 Custom Machined Billet Aluminum Handles with .040, .045 & .055 Blades.  All blades are 12" X 1/2" in dimension, constructed of High Carbon Steel, and Precision Ground for strength and accuracy.  this is the perfect set of gauges for all clutch pack adjustments on "GLIDE" clutches.  If you have questions concerning this product, or any of our other products, please contact: Stanke Mototsports