① YAHATA Hollow Anchor Plywood 6MS 3mm, Pack of 4 Used for attaching fixtures to walls with hollow structures and gypsum boards where screws and nails cannot be used. ● Material: Iron, with unichrome plating. Hollow plug. ● Size: 6MS. ② YAHATA Stainless Concrete Screw with Washer 4 x 32mm, Pack of 10 Material: Stainless steel (SUS410). Special screw threads provide high pull-out strength. Can be used on concrete, mortar, brick, etc., without a plug. ● [Application] Used for attaching lightweight items. ● Size: 4 x 32mm. Shipped via Yu-Packet Post Mini.