We have designed the TZ140SAP to be the ultimate staple assortment pack, containing a wide range of the most commonly used staple sizes, manufactured from the highest quality galvanised steel with ultra tight production tolerances. The TOOLZILLA staples enable remarkably accurate and reliable stapling, perfect for trade, DIY & office applications, such as upholstery, carpeting, low voltage wiring, hobby and craft, carpentry and more! TOOLZILLA TZ31PRO Heavy Duty Staple Gun & 600 Staple Selection Pack The TZ31PRO comes complete with a 600 staple selection pack containing 200 Narrow Crown Staples, 200 Cable Staples, and 200 Brad Nails. Suitable for trade, DIY & office applications, such as carpeting, upholstery, roofing, low voltage wiring, insulation, house-wrap, carpentry, hobby and craft, and more! Product Features: High Quality All Steel Construction Easy Squeeze Trigger Technology Adjustable Driving Force Quick Jam Release Technology Visual Refill Window Rapid Load Safety Lock for Safe & Compact Storage