Viewing Bore Diameters from 3mm to 12.5mm, Probe Length 75mm, Visual Illuminated LED Cool White BulbComprising of the following:Code BH-20 Battery HandleCode LP2-75 Bore Viewer Probe Length 75mm, LED Cool White Bulb, Magnification Lens 3xCode S2-75 Side Viewing Mirror Sleeve Length 75mmCode 2P Spare LED Cool White BulbCode 120-810 Batteries x 2Probes are fitting with LED Cool White Bulbs Viewing Bore Diameters from 3mm to 8mm without Mirror SleeveViewing Bore Diameters from 8mm to 12.5mm with Mirror SleeveSupplied in Tough IP67 Rated Case which are watertight, airtight and shockproof, our goal is to offer maximum protection to all our products Code 120-813-10Total Weight 1KgManufactured in UKVisual Bore Viewer are essential tools for any industry to visually inspect internal features.Essential product for any industry involved in machining materials to security For all inspection work where your vision is obscured. Used by Anti-Bomb Squads, Drug Squads, Airport Security, Armed Services and Security Guards for searching Aircraft, Ships, Cars, Trucks, Buildings and Manufacturing of Aircraft and Car engine parts We also offer Bespoke Sets, please contact us for more info.