Butler Creek Multi Flex Flip Open Scope Objective Cover 20-21   #32021

Features:

• Size 20-21
• 1.700" to 1.735"
• Fits 43.2-44.1mm Objectives
• Watertight and airtight
• Silent spring hinge
• Ambidextrous
• Black
• Tight, flexible collar
• Silent spring hinge Air-tight semi-O-ring keeps out dust and moisture
• Thumb, push-button open
• Tested to -40 deg. F