BENCH BLOCK HELPER with STEEL and NYLON BLOCKS
This three piece set includes a thick vulcanized firm rubber base which
3" (75mm) in diameter. The third piece is a sturdy nylon block the
same size that fits into the rubber base for lighter, more delicate work.
This is a well made set, and allows one to hammer without creating
excess noise and vibration at the bench. Total weight of set is 2.5lbs.