4-7/8 in. Black & Red Assisted Sideliner - The Bear Edge Pattern 121 is a USA built 4-7/8� Black & Red Assisted Sideliner. The Hollow Ground 3-3/8� Tanto Blade is made from 440 Stainless Steel with a Black Powder Coating Finish to prevent rusting. The spring assistance along with pushing up on the Thumb Studs allow for a smooth and quick opening of the Bear Edge Logo engraved blade. To make opening even easier Pattern 121 also features a Blade Trigger that allows for a fast action opening. The Bear Edge Pattern 121 features a Sideliner Lock that ensures the blade will remain firmly in place once opened and is easy to close. Jimping is present on the top of the blade and handle for a more secure grip. The Black & Red Aluminum Handle features a Bear Edge engraved Reversible Pocket/Boot Clip for Tip-Up Carry and quick access for either the left- or right-hand carry. A Glass Breaker is also on the back of the blade for use in emergency situations and a lanyard hole is present for secure fastening and storage. The Bear Edge Pattern 121 weighs 3.9 ounces and is proudly built in the USA. - Blade Material : 440 Stainless Steel - Handle Material : Aluminum - Open Length : 8-1/2 - Closed Length : 4-7/8 - Blade Length : 3-3/8 - Weight : 3.9 oz. - Extras : Boot/Pocket Clip Glass Breaker Assisted Opening