18 Inch Range Shock Proof Dial Caliper Overall Case Dimension:30 in L x 7 in W x 1-5/8 in H *Rough Estimation* Caliper Weight: 1.85 Pounds *Rough Estimation* Shipping Weight: 6 Pounds *Rough Estimation* Supplied With Case Dial Caliper With 18 Inch Measuring Range And 0.001 Inch Graduation Hardened Stainless Steel Construction Provides Durability And Wear Resistance Equipped With 3.30 Inch Jaw Length, OD - ID Measuring And Shock Proof