0.3 - 1.3'' Disc Brake Deep Throat Micrometer Carbide 0.001" GRAD 3.5" Depth Disc brake deep throat micrometer Range: 0.3-1.3" ; Graduations: 0.001" Throat Depth: 3.5" Case INCLUDED ; Case overall dimension: 6-3/8''L x 11-7/8''W x 1-5/8''H Quantity: 1 ; Shipping Weight: 3 LBS