<b>Specifications:</b><br><br> Quantity: 50pcs screw + 50pcs 3/8" socket + 50pcs cap + 2 pcs setting tool. <br> Material: High Quatity Marine Grade Stainless Steel<br> Button cap dia: (15mm) 5/8"<br> Screw length:(15mm)# 3/8 ".Ahy question please contact us !