Each corner brackets for wood is equipped with 6 screws to fix the railway sleeper brackets to the timber board. No extra tools required.
13 Pcs L Brackets for Wood Metal Corner Brackets for Wood 90 Degree Bracket
Angle Brackets 20 Pcs, L Brackets for Wood with 45 Pcs Screws, 20 x 20mm Corn...
B & Z 2x Heavy Duty Shelf Brackets | Rustic Metal L Brackets for Wood & Scaffold
18PCS L Brackets for Wood and 4PCS Joining Brackets, 20 × 20mm, Silver
20PCS L Bracket Corner Brace Sets, Stainless Steel L Brackets for Wood Shelves,
30x Pull-in Corner L Brackets for Wood Right Angle Bracket Shelves Joint