Specialty Stack It Peep Capture Aperture 1/32 in. Threaded aperture for Stack It peep housings;Allows peep size changes without a bow press;Supports quick setup adjustments;Precision-machined construction;Provides clear, consistent sight picture;Available in 1/32 in, 3/64 in, 1/16 in, 3/32 in, 1/8 in sizestable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1600 Product Group Code: 1600A Pack Size: 1 Inactive: No