Template Length: 12" Dovetail size 1/2" (12,7mm) Thickness: 5/16"-25/32" Supplied with Ø11,1x4mm (7/16" x 5/32") precision guide 899.004.00 Template Color: Red To be used with CMT straight router bit: 811.081.11 5/16" x 1" HW bit - (Ø6,35mm) Ø8x25mm (1/4") shank 811.081.11