Product Description
Specifications:
1) Diameter: 12mm (15/32"), 16mm (5/8"), 19mm (3/4")
2) Length: 40mm, 50mm, 65mm, 80mm, 90m
3) Application: for expanding holes on wood, plastic, iron
4) Material: 45# carbon steel, Cr-V Steel
Packing:
Double blister, plastic bag, skin card, or others