Bostitch 3/8-in Crown Stapler features a dual trigger design to incorporate safety and comfort for all day use. Combination of pneumatic tacker and brad nailer uses both T50 staples and brad nails for a wide range of applications. Oil-free operation requires no regular maintenance and eliminates the risk of oil stains. Bottom loading for quick reloads. Low fastener indicator quickly measures when its time to reload for your convenience. Lightweight, diecast aluminum design.. Staples Lengths1/4", 5/16", 3/8" , 1/2" and 9/16" and Brads 1/2" to 5/8".