Feature XASR-3053 30mm X-Accu 1.5" High Profile Picatinny Scope Rings A 1.5in / 38mm High Profile Rings Provide Optimal Height for Comfortable Shooting A CNC-Machined Construction Ensures Precise Scope Alignment for Reliable Performance A 6061-T6 Aluminum Alloy Build Offers Lightweight Durability without Compromising Strength A Six-Screw Per Ring Picatinny Mount Keeps Scope Secure for a Stable, Consistent Hold Specification XASR-3053 30mm X-Accu 1.5" High Profile Picatinny Scope Rings Specification Details Ring Dia: 30 mm / 1.18 in Height: 61 mm / 2.4 in Center Height: 38 mm / 1.5 in (Bottom to Center) Material: 6061-T6 Aluminum Alloy Weight: 82 g / 2.89 oz Mount: Picatinny Finish: Black Matte Items in the Package: T15 Torx Wrench Size