Squire: SS50P5 Stonghold Solid Steel Padlock 50mm CEN3 HSQSS50P5 The Squire Solid Hardened Steel Padlock combines compact design with market-leading product performance in the 50mm version, while the 65mm are tested to the highest CEN grades 5 and 6. All models are designed to resist the harshest of attack, these locks function reliably in the worst weather conditions. Hardened Boron alloy steel shackles. Re-keyable 6-pin tumbler in both 50mm and 65mm versions giving over 250,000 key differs. The 50mm is version also available with a 5-pin tumbler. Available open and closed shackle. Keyed alike and master keyed available to order. CEN rated. Now available in customer focused packaging & lsquo@Work @Home @Leisure&rsquo. CRIMESTOPPERS supported. The Squire SS50P5 Stronghold Solid Steel Padlock 50mm has a 5 pin tumbler and offers upto 1,500 different key variations. It has a secuirty rating of CEN 4. Specification Body Width 50.0mm. Body Thickness 26.0mm. Shackle Diameter 10.0mm.