
So like many has said, most likely need different mounting hardware. Also the alignment is crucial to allow for complete collapse of shelf. If wall is uneven or location is awkward to work in it may be a little tricky to get good alignment for smooth collapse of shelf. Given the length of the 16" shelf bracket, a minor error close to wall will be amplified towards the end of bracket. This will cause the last couple of inches to not align preventing full collapse.

Pack Of 6 ETECHMART Rustic Iron Metal L-Shaped Shelf Brackets, 5 Inch Wall-Mounted Support For DIY Open Shelving, Heavy-Duty Corner Brace Shelf Supporter In Black
29 Review

ETECHMART 5 Inch Wall Mounted Floating Shelf Bracket, Pack Of 4 L Shape Heavy Duty Rustic Iron Metal Corner Brace Shelf Supporter For DIY Open Shelving Decoration - Black
20 Review

YUMORE Folding Shelf Brackets 20", Max Load: 330Lb Heavy Duty Stainless Steel Collapsible Shelf Bracket For Table Work Bench, Space Saving DIY Bracket, Pack Of 2
17 Review

Heavy Duty 10" Folding Shelf Brackets - Stainless Steel Collapsible DIY Bracket For Bench Table, Max Load 550Lb (2 PCS)
34 Review

Silver Holographic Stars Glitter Grout Tile Additive 100G - Easy To Use For Tiles, Bathroom, Wet Room & Kitchen
14 Review

Gorilla Waterproof Patch & Seal Liquid - Black 16Oz - Ultimate Solution For Quick Fixes (Pack Of 1)
39 Review

Hemway Glitter Grout Tile Additive: Sand Gold Sparkle For Your Bathroom, Kitchen And Wet Room Tiles - Easy To Use And Temperature Resistant!
10 Review

Pack Of 1 Natural Wood Color 8 Ounce Bottle Gorilla Wood Glue
42 Review