Check the listing for details. Mul-T-Lock Master Pin Kit 200 Piece Set Internal External Solid Disk Concaved. Condition: New. Listed at 73.00 USD. Mul-T-Lock Master Pin Kit - Complete 200 Pin Set This set includes 20 master pins for each combination of type and size used in Mul-T-Lock Junior, Classic, Interactive, and Interactive+ locks. These pins allow master keying options to be added to an existing Mul-T-Lock installation. Pins included in this set are:20 x Internal Disk for Master #1 (2 x 0.5)20 x Internal Disk for Master #2 (2 x 1.0)20 x Internal Disk for Master #3 (2 x 1.5)20 x Internal Disk for Master #4 (2 x 2.0) 20 x Concaved External Disk for Master #1 (4 x 0.7)20 x Concaved External Disk for Master #2 (4 x 1.2)20 x Concaved External Disk for Master #3 (4 x 1.7) 20 x External Solid Disk for Master #1 (4 x 0.7)20 x External Solid Disk for Master #2 (4 x 1.2)20 x External Solid Disk for Master #3 (4 x 1.7)200 pins total! These pins are new-old-stock taken directly from a vintage Mul-T-Lock pin kit and are in brand-new, unused condition. Free to contact me with any questions! If you're looking for just one type of master pin, check our store. We have listings for small quantities of many varieties of Mul-T-Lock pins.