Passed rigorous UL testing to earn a commercial rating. Staples up to 60 times per minute. Motor-driven operation for virtually jam-free operation. Adjustable stapling position. LED status light. Plastic and metal construction. Throat depth adjusts to 1". Front loads a full strip (210) of standard staples. Stapler Type: Electric; Staple Capacity: Full Strip (210 Staples); Size of Staple Used: 1/4 in; Type of Staple Used: Standard.