Actual internal size: 1.55 x 3.5"(39 x90mm); Size error: ±1mm; It applies to nominal standard 2x 4 lumber on market (Actual size: 1.5 x 3.5")
This item includes 14 PCS stainless steel countersunk screws; All these screws were black finished;
This product can be used for joists of Pergola/Gazebo, Handrail, Deck, Pavilion, Log cabin and so on;
Note:For visual effect, we plated the products to black, but because of the absorbability of paint on the stainless steel is relatively week, there may be a few of chipped paint, but don't worry! It won't get rust;