The Starrett English Thickness Gage is used in automotive, aviation, diesel and farm equipment manufacture and service and also in jig, fixture, gage and experimental work. These gages are Especially useful in adjusting tappets, spark plugs, distributor points, checking bearing clearances and gear play, fitting pistons, rings and pins and gaging narrow slots. Made in a wide range of types and sizes, each having from 6 up to 26 leaves ranging in thickness from .0015-.200" and 0.03-5mm thick straight or tapered. 9 Straight Leaves, 1/2"¬Ã¹ x 3 1/32"¬Ã¹, inch reading, .0015-.015"¬Ã¹ Range. FEATURES Leaves made of finest stainless steel, carefully finished to correct thickness, individually tested and marked with thickness Locking device on most gages - permits securely locking one or more leaves in position Leaves easily removed or replaced Rugged, substantial steel case protects leaves Straight Leaves SPECIFICATIONS Range (in): .0015"-.015" Number of Leaves: 9 Size of Leaves (in): 1/2"x3-1/32" Thickness (in): .0015-.015 Leave Type: Straight Leaves: .0015, .002, .003, .004, .006, .008, .010, .012, .015 Locking Device: Yes Material: Stainless Steel