Lockwood 312 Safety Lockout Padlock The Lockwood 312 Safety Lockout Series Padlock is a durable and rugged 30mm brass padlock that has been specifically designed to meet the requirements of safety lockout applications. Multiple departments or jobs can be easily identified using one of the jacket options. Laser etching is also optional for individual identification when using the windowed jacket options. Features and Specifications of the 312 Series Padlocks Primarily used for keying applications Solid brass case extrusion 4.8 mm stainless steel shackle 6 pin tumbler mechanism Self latching or deadlocking (key retained) Double locking Extended shackle models Custom Marking Custom marking is available. Pricing and availability on application. Downloads Lockwood Padlocks Catalogue.pdf (.pdf, 3.1 MB) Close Part numbers Trade Pack 312E Series Brass Body with Stainless Steel Latching Shackle Description Part Number Barcode 30MM, STD 19MM Shackle Opening, KD 312EL19/KD 9311847981669 30MM, EXTD 38MM Shackle Opening, KD 312EL38/KD 9311847981676 30MM, EXTD 50MM SHACKLE OPENING, KD 312EL50/KD 9311847022362 312E Series Brass Body with Stainless Steel Latching Shackle - Locksmith Pack Description Part Number Barcode 30MM, STD 19MM Shackle Opening, LS 312EL19/LS 9311847981683 30MM, EXTD 38MM Shackle Opening, LS 312EL38/LS 9311847981690 30MM, EXTD 50MM Shackle Opening, LS 312EL50/LS 9311847981706 Close Where to buy? Find your local Lockwood stockist. Lockwood High Security 214/215 Series Aluminium Case Padlocks40mm aluminium case with stainless steel shackle. Lockwood 215P Polymer Safety Lockout PadlockNon-sparking and non-magnetic. Lockwood 225 Contract Series Padlocks40mm zinc diecast case with powder-coated finish.