Montana Empty marker range also boasts the CRUSHER. These squeezable empty markers are fantastic for manually controlling the flow of ink or paint leaving the marker tip. CRUSHERs come in an 18mm tip with various body sizes that can hold 50ml or 200ml. The 18mm mohair tips are replaceable for long term marker use. Made by the highest quality German manufacture and perfect in combination with Montana BOLD ULTRA INK Refill. The CRUSHER also comes in a handy 10mm size that holds 30ml of paint. Easy to use, easy to confine. Delivered as empty markers.