12" Stainless Steel 4 Way Dial Caliper Shockproof .001'' GRAD Calipers Ruler 12'' Shockproof dial caliper ; 12'' dial face: 1-5/8'' -Graduation: .001" -Range Rev. .100" -Accuracy: +/- .001" Measuring faces hardened, ground and lapped; Hardened stainless steel throughout Weight: 2 lbs Roughly (with case) Quantity: 1; Case overall dimension: 5-1/4''L x 17-1/4''W x 1-1/4''L