• 【Superior Quality】◈Made of carbon steel for ensuring high hardness, toughness, and long durability; ◈Smooth surface with thick galvanized coating, no flash, and anti-corrosion. Less jamming; ◈Gather the concrete nails with glue to prevent loosening & breaking. Packed with a plastic box for neat placing 
• 【Sufficient in Quantity】40pcs concrete nails/row, 20 rows/box, total 800pcs/box. ST18(18mm): About 1 lb (0.45kg) per box 

          ST25(25mm): About 1.3 lb (0.6kg) per box

          ST32(32mm): About 1.7 lb (0.75kg) per box

          ST38(38mm): About 2 lb (0.9kg) per box

          ST50(50mm): About 2.5 lb (1.15kg) per box

          ST64(64mm): About 3.3 lb (1.5kg) per box

• 【Consistent Size】All concrete T nails are in a consistent size for everyone. Shank Diameter: .089'' (2.2mm), Head Diameter: 1/4'' (6.7mm)
• 【General Usage】Works great to concrete nailing, furring strips, truss building, construction framing, decking, and more
• 【Counterpart】Compatible with most pneumatic concrete T nailer guns like: WOODPECKER ST64 nailer, KAMSIN ST64 nailer, AIR LOCKER CN64A3