Staplers & Staple Guns | BOSTITCH- bta700 series staples 3/8 crown replacement ,Staplers (5) BOSTITCH ® Staplers, manual and pneumatic models, are heavy-duty and reliable in securely binding flooring and roofing materials. We offer Staplers in 15 to 18 gauges and in sizes from 1/2" to 2-1/2" lengths for various applications. Shop Now.Amazon: bta700 series staplesIt can drive six different fastener sizes including both heavy duty 3/8 in. Crown staples (BTA700 series) and 1/2 in. and 5/8 in. brad nails for use on a variety of applications. Combination of pneumatic tacker and brad nailer uses both T50 staples and brad nails for wide range of applications.