Sold as a kit. This binding system only works with Marker Comp 20 DIN and 30 DIN Race Bindings.
Marker Comp Binding System from DynAccess decreases the chance of inadvertently releasing from your binding. The kit includes a stamped stainless steel plate that is mounted under the binding's toe and a removeable block for the binding's heel. The toe plate and heel block can be purchased separately.