Precision metal apertures in 10 micron steps (4.45 to 4.54 mm diameter) to determine head size of .177 caliber pellets. 0.008" 304 stainless gage plate, with acrylic frame. Apertures accurate to +/- 0.0025 mm
Current Order Record 260 Packets/Tins on the 25/6/2025
Precision metal apertures in 10 micron steps (4.45 to 4.54 mm diameter) to determine head size of .177 caliber pellets. 0.008" 304 stainless gage plate, with acrylic frame. Apertures accurate to +/- 0.0025 mm