Lever-action plier provides comfortable, easy-to-squeeze power for stapling up to 45 sheets of paper. Anti-jam, heavy-duty plier stapler easily opens for tacking. A popular choice for its rugged durability and the power of 1/4" or 3/8" crown staples. Removable pusher assembly for easy rear loading. Uses STCRP21151/4 and STCR21153/8 staples.