Master Lock - (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4
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5% off when you buy 4 or more.
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Orders are processed and shipped from Victoria, Australia.
3-6 days (Domestic)
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- 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.
- 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.
- 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.
- 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.
- 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.
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.
Package Dimensions:
6.0 inches x 4.0 inches x 4.0 inches. Weight: 1.0 lb
Specification:
| Item model number | 37KA-4 |
| Style | Modern |
| Control Method | App |
| Warranty Description | MASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement. |
| Batteries Included? | No |
| Number of Pieces | 2, 4, 5 |
| Batteries Required? | No |
| Brand | Master Lock |
| Material | Steel |
| Controller Type | Hand Control |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Master Lock |
| Item Package Quantity | 1 |
| Item dimensions L x W x H | 4 x 6 x 4 inches |
| Item Weight | 1 pounds |
| Lock Type | Key Lock |
| Special Features | Key Lock |
| Special Feature | Key Lock |
| Part Number | 37KA-4 |
| Color | Steel |
| Shape | Rectangular |
| Recommended Uses For Product | Securing trailers, gates, sheds, and other outdoor items with standard hasp applications or coupler latches |
| Included Components | four padlocks and eight keys |
| Product Dimensions | 4 x 6 x 4 inches |
| Size | 4 Pack |
Shipping & Delivery
At SecretGreen, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.







