Irwin 10507368 Extension Rod For Holesaws 13-300mmThis Irwin extension rod is designed for use with Bi-Metal holesaws ranging from 13mm to 300mm in diameter. It provides additional reach for cutting deeper holes.Features Suitable for Bi-Metal holesaws 13mm - 300mmSpecifications Brand: Irwin MPN: 10507368 EAN: 5706915073683 Length: 300mm Chuck size: 13mm