All Gauge Standard Invector Wrench (except .410 )Manufacture ID: 1130048The flat wrench design has slots to fit different caliber tubes. This is very handy just to have around.Features:- Standard Invector- Material: Steel- Color: Black- Choke Gauge: 12- Caliber: All Gauges, except .410- Weight: 4.8 ozWarranty: Two year warranty from date of purchase.