SKS stands for "same key system." These 4 cores enable you to lock all of your Yakima products with just one key.

Details:

• Fits all lockable accessories
  
• Includes 4 SKS Cores and matching keys
• 2 keys included plus a control key.
• Core numbers included in prepackaged locks cannot be specified.

Specifications:

• Weight: 0.20 lbs.
• Limited Lifetime Warranty