Accepts 6 staple sizes: 23/6, 23/8, 23/10, 23/13, 23/15, 23/17. Jam clearing mechanism. Staples up to 160 sheets. All metal construction. Anti-skid base. Easy replaceability of spare parts. Throat depth of 10 inch; (NOTE: Remove backstop for full 10 inch; reach). Size 20.5" x 4.7" x 11.5 inch;. Weight: 9-lbs.