Click or scroll to zoom Tap or pinch to zoom RB50-M4 Favorite {% assign in_list = false %} {% for item in items %} {% if item.handle == "rb50-m4" %} {% assign in_list = true %} {% break %} {% endif %} {% endfor %} {% if in_list %} {% else %} {% endif %} $30.00 {% if Machines.userdata.machines[0].parts %} {% assign compatible = false %} {% for machine in Machines.userdata.machines %} {% if machine.parts contains title %} {% assign compatible = true %} Compatible with {{machine.make}} {{machine.model}} {{machine.probe_head}} {% endif %} {% endfor %} {% unless compatible %} This product is not compatible with any of your saved machines. {% endunless %} {% else %} Find your machine {% endif %} 1 2 3 4 5 6 7 8 9 10 Quantity Quantity Add to cart Thread adapter, M4 Blum (TC50/51/60) to standard M4 x 0.7 thread.