Ontario Knife SP-A Combat Knife 11.3in Blade Synthetic Rubber Handle Nylon Seath Small. The knife's upswept blade and the Alpha series' patent-pending ergonomic yet durable handle combine to make a versatile and unique knife ready for any emergency. Specifications for Ontario Knife SP-A Combat Knife: Manufacturer: Ontario Knife Blade Length: 6.1 in Overall Length: 11.3 in Blade Material: High Carbon Steel Knife Application: Combat Handle Material: Rubber Blade Finish: Zinc Phosphate Handle Color: Black Sheath Material: Nylon Quantity: 1 Sheath: Yes Package Contents: Ontario Knife SP-A Combat Knife Ontario Knife 9711: SP-A Combat Knife 11.3in Blade Synthetic Rubber Handle Nylon Seath Small