The mass ratio of mallet head to shot is optimally tuned to the spring properties of the striking faces
NTN 6217LLU Deep Groove Ball Bearings
With steel tube handle and ergonomic rubber grip
They have a red warning core that is visible when the sling is worn and should be removed from use
· Insulation cylinder attaching / detaching
NTN Deep Groove Ball Bearings 6018C3, D=90 Series_05^6900 The mass ratio of malletNTN Deep Groove Ball Bearings 6018C3, D=90 Radial Deep Groove Ball Bearing Round Bore, 90 mm ID, 140 mm OD, 24 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 90. 000 mm, 3. 5433 in Outside Diameter 140. 000 mm, 5. 5118 in Overall Width 24. 000 mm, 0. 9449 in Closure Type Open Row Type & Fill Slot Single Row Non Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range 40 to 250 F Cage Type