SEE WHERE IT'S HARD TO SEE: Use for looking behind, underneath and around machines, along with other hard to see places. 26" EXTENDABLE HANDLE: Allows inspection of inaccessible work pieces. DURABLE: Stainless steel construction for long, rust resistant life. IDEAL FOR: Home use or for mechanics, assemblers, inspectors and toolmakers. PORTABLE: Handy pouch for easy finding and storage. GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively.