OverviewBeta Tools inside callipers are a practical measuring and marking tool for checking internal dimensions during workshop, fabrication and maintenance work. This 150 mm version is suited to trade users who need a simple manual method for transferring or comparing internal sizes when fitting parts, inspecting openings or carrying out general bench work. The design supports routine use across servicing, assembly and repair tasks where dependable hand measurement remains useful. With a compact overall format and low weight, these inside callipers are easy to handle and store, making them a convenient addition to a professional measuring toolkit. Suitable for checking bores, recesses, gaps and other internal dimensions, they provide a straightforward solution for day-to-day measuring applications in mechanical and industrial environments.Features Provides a practical manual solution for measuring internal dimensions in workshop and site tasks. Supports fitting, inspection and marking-out work where internal size transfer is required. Delivers a 150 mm calliper size suitable for a wide range of everyday trade applications. Ensures easy handling with a lightweight 132 g design for routine professional use. Enables quick checking of bores, openings, slots and recesses during servicing and fabrication. Offers a straightforward measuring tool for maintenance, repair and assembly environments. Improves toolkit versatility for trades needing dependable internal measurement capability. Specifications SKU 016800115 Range/Series 1680A Product Type Inside Callipers Size/Capacity 150 mm Length L: 150 mm Width Height Weight 132 g Application Internal measurement, size transfer, workshop inspection, fabrication and maintenance Model 1680A 150 A Max 144 mm L1 200 mm GTIN 8014230085814 Packaged Weight 141 g Package Dimensions 195 x 115 x 18 mm Tools In Box 2 Downloads & MediaDatasheet (PDF)