Here is a guide to choosing the best brad nails and staples for your application:

Nail and Staple Types

Brads - thin, small nails with a small head, typically 18 gauge. Good for light materials.
18 gauge brad nails - All-purpose use in materials 1/2" or less. Good holding power.
23 gauge pin nails - Extra thin pins for delicate molding, trim, small projects.
Staples - U-shaped fastener with two legs. Added holding power.
15 gauge staples - Heavy duty for framing, sheathing, carpentry.
18 gauge staples - Light trim, molding, upholstery, crafts.

Materials to Fasten

Woods - Use shorter brads for hardwoods, longer for softwoods. Match gauge to wood thickness.
Trim/Molding - 18-23 gauge brads sufficient for interior trim boards, decorative molding.
Furniture - 18 gauge brads work for furniture framing and assembly of thinner pieces.
Upholstery - Smaller gauge staples (18-22) ensure fabric attached without poking through.
Crafts/Gifts - Thin 23 gauge pins nicely fasten ornamental craft items.

Applications

Finish Nailer - Best for precision nailing of molding, cabinets, flooring. Angled magazine.
Brad Nailer - Versatile option for interior woodwork, furniture building, crafts. Straight magazine.
Heavy Duty - Heavier 15 gauge staples needed for construction, framing applications.
Hand Stapler - Manual stapling sufficient for simple crafts, office use.
Following these guidelines helps ensure you choose the optimal brad nails or staples for your specific nailing application.