6 Pc 1/2" x 1/2" Rubber Mandrels.
1) place ring to be stretched on the expansion cone
2) place expansion cone back on the wooden base
3) insert the tapered rod and tap from the top to expand the ring
4) use on a sturdy and wooden surface
Product Features:
• Pack of 6 rubber mandrels
• Mandrel size: 1/2" x 1/2"
• Overall length: 1-1/2"
• Shank size: 1/8"