Specification Brand : Master Lock BulletPoint1 : This listing is for FOUR (4) padlocks keyed alike (same key unlocks all) and eight keys. The lock is also available with Bump Stop Technology. Search 37NKA in our storefront. BulletPoint2 : APPLICATION: These padlocks are ideal for all outdoor applications when needing multiple locks that utilize ONLY one key. The #37 latch lock works well on 1-7/8 and 2 inch couplers and on virtually all standard hasp applications. These locks have a removable shackle sleeve. Sleeve off - Secures coupler latches. Sleeve on - Works best with hasps. KEY RETAINING - ensures that padlock is not left unlocked. BulletPoint3 : PADLOCK FEATURES: 1-9/16"(21mm) wide x 3"(76mm) high. Armored Shackle Guard blocks bolt cutters. Revolving, case-hardened steel shackle sleeve resists cutting and sawing. Removable shackle sleeve. Sleeve off - Secures coupler latches to accommodate openings 9/32" (7mm) in diameter. Sleeve on - Works best with hasps, fits openings 1/2" (13mm) in diameter or larger. Precision pin tumbler mechanism resists picking. BulletPoint4 : IMPORTANT NOTE: If using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers. It will fit some 2-5/16 couplers, the exception being 2-5/16 couplers that have the latch partially recessed from the top surface of the coupler, or latches that are wider than 7/8. BulletPoint5 : ATTENTION: If you order two 4-packs they will NOT necessarily be keyed the same. To ensure you get two 4-packs keyed alike, you must order the 8-pack. Color : Steel ControllerType : Hand Control ControlMethod : application CustomerPackageType : Standard Packaging Department : Unisex-Adult ExternallyAssignedProductIdentifier1 : 071649363108 ExternallyAssignedProductIdentifier2 : 0071649363108 ExternallyAssignedProductIdentifier3 : 0790295511588 FinishType : Brushed GpsrSafetyAttestation : 1 IncludedComponents : four padlocks and eight keys ItemDisplayWeight : 1 pounds ItemName : Master Lock - (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4 ItemPackageDimensions_Height : 15.5956 centimeters ItemPackageDimensions_Length : 9.398 centimeters ItemPackageDimensions_Width : 11.0998 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : padlocks LockType : Key Lock Manufacturer : Master Lock Material : Metal Material1 : Aluminum Material2 : Vinyl Material3 : Alloy Steel ModelName : Pack of 4 Padlocks ModelNumber : 37KA-4 NumberOfItems : 1 NumberOfPieces : 4 NumberOfPieces1 : 5 NumberOfPieces2 : 2 NumberOfPieces3 : 4 PackageLevel : unit PartNumber : 37KA-4 ProductDescription : This listing is for FOUR (4) padlocks keyed alike (same key unlocks all four) and eight keys. These padlocks are ideal for all outdoor applications when needing multiple locks that utilize ONLY one key. To fit coupler latch: remove the shackle sleeve. Shackle fits standard opening of 9/32" (7mm). Note that non-rigid shackle has enough play to fit virtually all coupler latches less than 7/8" wide. IMPORTANT NOTE - If using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers. It will fit some 2-5/16 couplers, the exception being 2-5/16 couplers that have the latch partially recessed from the top surface of the coupler, or latches that are wider than 7/8. The #37 latch lock works well on 1-7/8 and 2 inch couplers and on virtually all standard hasp applications. You can order up to eight locks keyed alike. For quantities greater than eight please inquire and we can normally have them in a couple of days. This style lock is also available in a 2-pack and a 3-pack. To purchase visit our Amazon Store (click on our logo), or via the Master Lock link under this pages title. To reach any desired quantity order a combination of 2-packs, 3-packs, 4-packs. ProductSiteLaunchDate : 2009-05-21T07:00:00-07:00 RecommendedUsesForProduct : Securing trailers, gates, sheds, and other outdoor items with standard hasp applications or coupler latches SafetyDataSheetUrl : https://ace.infotrac.net/getmsds.aspx?SKU=5405808 Size : 4 Pack StreetDate : 2010-01-31T00:00:01Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 46171500 Voltage : 1 volts