Unior Square Taper & Splined Crank Puller w/ Handle Pullin' Cranks, Squarin' Tapers If you want to do a full rebuild of your bike to get everything nice and clean, you'll most likely need a crank puller to get your crankset off. Removing square taper and splined cranks (ISIS, etc. ) can be a challenge, but it's made easy with the Unior 1661. 3/4P-US crank puller. An all-in-one crank remover designed to remove both square taper and splined cranks, any crank removal task you'll face can be tackled with one tool. It features a generous 6. 5" long handle to offer up enough leverage to remove even the most stuck cranks. Features All-in-one crank puller designed to remove both square taper and splined cranks6. 5" long handle so you can generate more leverage to remove stuck cranks Unior part number: 624918 | Unior | Square Taper & Splined Crank Puller W/handle Red/orange