glass exterior wall fastening steel bracket detail. stainless steel spiders.

abstract acorn architecture attachment background balustrade blade bolt braces bracket brushed building chrome clear closeup component construction cross design detail device double engineering equipment exterior fastening focus formed gasket glass gray heat high industry laminated layer light macro metal modern nut part plane plate reflections rod roller rubber screw security selective shiny spider spiders stainless steel strength surface tempered tension texture thick thread tie transparent treated vertical view wall washer