A Small Pin and Peanut Follower with a .395" diameter can be used for removal most small pin tumblers. Uses include: Corbin small pin, Eagle small pin, Yale small pin and LICO ‘peanut' cylinders and others. A Small Pin and Peanut Follower with a .395" diameter can be used for removal most small pin tumblers. Uses include: Corbin small pin, Eagle small pin, Yale small pin and LICO ‘peanut' cylinders and others. Made from machined aluminum to exacting tolerances with a Violet anodized finish.