5x NP Conical Ball Attachment Abutment 4 Insert Silicone Caps Dental 2.25mm Hex
System: Conical Connection 2.25mm. Material: TI-6AL-4V ELI (Titanium Grade 5). Black Insert Silicone Cap Retention:Made For Lab Use Has No Retention. Clear Insert Silicone Cap Retention: 1.2kg Standard Retention.