Skateboard Hardware & Longboard Hardware Innovative flush design and elliptical bolt head design. Bolt's heads fit perfectly into counter-sunk-designed shims. Material: SUS304 stainless steel. CNC Precision Trucks Bulk Wholesale Longboard Skate Hardware | Mudge Hardware Deck Protection Hardware They prevent your hardware from pulling through and/or deforming your deck. They look good and are flat enough to not affect your foot placement regardless of what type of skating you’re doing Bolt's heads are surrounded and protected by the shims, creating a flush surface with zero shim bulge. Package Included:4 pcs frames; 8 pcs nuts; 8 pcs bolts; 8pcs washersMultiple Colors:Black, Silver, Gold, Green, Pink, Longboard Precision Hardware. Punked Skull Drop Through Longboard Complete Bolts lock in when nuts are tightened.