2 pcs. 6" Machinist Stainless Steel Connector Outside Inside Clamp Measuring Tool KitDescription:Caliper is a length measuring tool, which is divided into tableless caliper and table caliper. The use method is steel ruler and clamp measurement method. The outer clamp is used to measure the outer diameter of the cylinder or the length of the object. The inner clamp is used to measure the inner diameter or width of the groove of the cylindrical hole. Features:1. Made of stainless steel, sturdy, anti-corrosion and .2. The clamp is a tool for measuring length.3. The outer clamp is used to measure the outer diameter of the cylinder or the length of the object.4. The inner clamp is used to measure the inner diameter or width of the cylindrical groove of a hole.5. . Specification:Condition: Product Name: ClampMaterial: Stainless SteelClamp Size: Approx. 150mm/6inUsage: MeasurementPackage List:2*ClampBuyer Feedback: 1) We accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3)If you can't check out immediately after the listing ends, please wait forA few minutes and try again, payments must be completed within 3 days. About Shipping 1.