With the Knipex 46 20 A51 retaining ring pliers, you effortlessly install and remove heavy external snap rings on shafts ranging from 122 to 300 mm in diameter. Thanks to the overall length of 570 mm, you gain substantial mechanical leverage to expand high-tension rings with minimal effort and maximum control. The releasable locking mechanism securely holds the circlip open, relieving hand strain when working on large gearboxes or heavy equipment drive shafts. Featuring 90° angled tips made of oil-hardened special tool steel, this black powder-coated tool ensures a dependable grip and offers easily replaceable screwed-in tips for long-lasting performance.