This is the Marker Griffon 13, an alpine freeride binding with a release range of 4 to 13, here with a 110 mm brake. K2 distribute Marker in several markets, which is why it appears under a K2 code, but the binding is a Marker.

• Release range 4 to 13: covers most adult skiers from light and cautious to heavy and aggressive.
• 110 mm brake: matched to skis of up to about 110 mm underfoot. Marker also make 90, 100 and 120 mm brakes for this binding.
• 1030 g per pair
• Sole.ID multinorm compatibility: takes alpine ISO 5355, GripWalk ISO 23223 and touring ISO 9523 adult soles.
• Boot sole length 240 to 370 mm
• Triple Pivot Elite toe and Inter Pivot 3 heel: the wide toe wings and long heel elastic travel that make the Griffon a freeride standard.
• Anti ice rail on the toe
• Have it set by a technician: release values must be set and tested on a bench to your height, weight, age and boot sole length.