This rectangular padlock features a solid brass body that stands up to tough outdoor conditions. In addition, it includes a hardened chrome-plated steel shackle enclosed to resist cutting and prying attacks. As a result, it provides strong, reliable security for your valuable belongings in any environment.
As a result, the KB21 Unilock keeps your valuables safe and secure.
The KB21 Unilock uses a high-precision 6-pin brass cylinder core. This design ensures smooth operation and reliable locking, reducing wear over time. It comes with three nickel-plated brass keys for immediate use. Also, you can get the rectangular padlock keyed alike so one key opens multiple locks.
Importantly, this KB21 Unilock fits Knott pressed steel trailer hitches perfectly. In addition, it has a curved handle with a hole running through the middle, locking the hitch handle firmly. Consequently, this feature lets you secure your trailer directly to your towing vehicle, providing extra peace of mind and ensuring safety during transit.
The KB21 is also available as a convenient bundle with three UB50 padlocks, delivering enhanced ramp and door security for your Ifor Williams trailer.
Key Features of the KB21 Unilock Padlock:
- Large opening with slim shackle diameter
- Fits Knott trailer hitches with curved handles
- Solid brass lock body for durability
- Hardened chrome-plated steel shackle
- Smooth 6-pin brass cylinder core
- Supplied with three nickel-plated brass keys
- Available keyed alike for convenience
The KB21 Unilock Rectangular Padlock combines smart design, strong security, and flexible use in one reliable lock.

Description
This item will be shipped directly from our approved supplier in the number of working days as stated in the ‘Product Name’ and cannot be amended, cancelled or returned once ordered.
This will arrive on a separate delivery to items stocked by Duffells and the price includes any carriage charged by the supplier. This item may also be subjected to longer lead times due to stock availability with the supplier and is unavailable for ‘LOCKer Collection Point’ ordering.
SAS KB21 Unilock Rectangular Padlock
The KB21 Unilock Rectangular Padlock offers strong security with a clever design for many uses. Firstly, its large shackle opening fits bulky or awkward locking points where others fail. At the same time, the slim shackle diameter slides into tight spaces, making it ideal for places other locks cannot reach.
This rectangular padlock features a solid brass body that stands up to tough outdoor conditions. In addition, it includes a hardened chrome-plated steel shackle enclosed to resist cutting and prying attacks. As a result, it provides strong, reliable security for your valuable belongings in any environment.
As a result, the KB21 Unilock keeps your valuables safe and secure.
The KB21 Unilock uses a high-precision 6-pin brass cylinder core. This design ensures smooth operation and reliable locking, reducing wear over time. It comes with three nickel-plated brass keys for immediate use. Also, you can get the rectangular padlock keyed alike so one key opens multiple locks.
Importantly, this KB21 Unilock fits Knott pressed steel trailer hitches perfectly. In addition, it has a curved handle with a hole running through the middle, locking the hitch handle firmly. Consequently, this feature lets you secure your trailer directly to your towing vehicle, providing extra peace of mind and ensuring safety during transit.
The KB21 is also available as a convenient bundle with three UB50 padlocks, delivering enhanced ramp and door security for your Ifor Williams trailer.
Key Features of the KB21 Unilock Padlock:
The KB21 Unilock Rectangular Padlock combines smart design, strong security, and flexible use in one reliable lock.
This item can be mixed and matched for a cheaper price with selected SAS products with a ‘Mix & Match’ logo displayed alongside its product title. The price will be reduced once more than one eligible product has been added to the basket. All selected products can be viewed by clicking onto the SAS Manufacturer Extras section.
Additional information
Manufacturer Extras SAS, SAS, SAS
Keyed Alike, Keyed Alike, Standard, Standard