Brady Snap Cap Gas Cylinder Lockout, 6.5"x 3-1/8" x 11 UN, High Pressure Coarse Thread $169.99 Quantity discounts available QuantityPrice SKU: 95138 Designed to fit most North American high and low pressure gas cylinders, Snap Cap devices from Brady deny access to the main cylinder control and regulator attachment. Ship Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Print