4mm B1 5mm B1 6mm C1 8mm C1 Broaches with 13 Collared Bushings + 5pcs shims for CNC Machine. 4 broaches: 4mm B1, 5mm B1, 6mm C, 8mm C. 13 Collared bushings: B1-12,14,15,16, C-18,19,20,22,24,25,26,28,30.4 broaches and 13 bushings = 26 keyway combinations. The item "22pcs Keyway Broach Collared Bushing Shim Set Kit Metric System For CNC Router" is in sale since Wednesday, April 28, 2021. This item is in the category "Crafts\Other Crafts". The seller is "blink-max" and is located in shenzhen. This item can be shipped worldwide.