Am-Tech 6pc Hollow Punch Set. Drill Bits. Set Includes Sizes: 3, 4, 5, 6, 7 & 8mm. Amtech 36m Builders Brick String Line 4 L Shaped Corner Blocks Brick Laying. Hand Tools. Ideal For Making Clean Holes In Gaskets, Leather, Plastic, Rubber, Vinyl & Other Soft Materials.
eBay