Hornady Interlock 35 Cal .355 170 Gr Spire Point (SP) 100 Hornady's Traditional Line Of Bullets Feature Exposed Lead tips For Controlled Expansion And Hard-Hitting Terminal Performance. This 170 Gr 35 Cal features Inner groves That strategically Weaken The Upper Section Of The Jacket, ensuring Consistent, Controlled Expansion, Even at Long Range. The Bullets Include 100 Per Box. Bullet Type: Spire Point (SP) Bullet Diameter: .355 Weight: 170 Gr Bullet Tip Material: Lead Cannelure: Yes Coefficient: .215 Sectional Density: .193 Quantity: 100