Longer style nub at 7mm, designed to apply a long and more even down-force since the bottom of the nub is flat. 4.2mm wide and 3.7mm high. Comes with a steel hardening pin that slots through the middle should you need it.
In tests works great with Maple Leaf MR and Macaron style rubbers
Made from silicone, these come in 2 different degrees of hardness; 60 (green) or 70 (black)
Length: 7mm
Width: 4.2mm
Height: 3.7mm