Internal Grinding Accessories : 1490
1490 Close Access Arm is a 1" x 1.83" (1-5/6") wide close access style arm for use with the 1400 series small arm attachments.
The 1470 uses an AH5311 wheel with internal bearings. The AH5311 is a 1" x 0.83 smooth 70 duro urethane wheel.
Will fit the 1400 series small arm / internal grinding accessory and the Model 720 Probe Grinder.