MATERIAL ALUMINUM PATTERN 3/8 HOLES 64.97 151515-01 This aluminum washer is machined from bar stock. With 3/8" bolt holes this washer is .20" thick.

MATERIAL ALUMINUM PATTERN 7/16 HOLES 70 151515-02 This aluminum washer is machined from bar stock. With 7/16" bolt holes this washer is .20" thick.

MATERIAL ALUMINUM PATTERN SPLINED 10.83 151750-10 This aluminum washer is machined from 1/16" plate, it is machined to work with a splined pulley.

MATERIAL NYLON PATTERN 3/8 HOLES 15.75 151750-06 This nylon washer is cut from .03" thick nylon, it has 3/8" bolt holes.

MATERIAL NYLON PATTERN SPLINED 11.97 151750-03 This nylon washer is cut from .03" thick nylon, it is cut to work with a splined pulley.

MATERIAL STEEL PATTERN 3/8 HOLES 25 151510-01 This steel washer is water jetted from .10" thick steel plate with 3/8" bolt holes.

MATERIAL STEEL PATTERN 7/16 HOLES 25 151510-02 This steel washer is water jetted from .10" thick steel plate with 7/16" bolt holes.

MATERIAL TITANIUM PATTERN 3/8 HOLES 219 151505-01 This titanium washer is machined from bar stock. With 3/8" bolt holes this washer is .20" thick.

MATERIAL TITANIUM PATTERN 7/16 HOLES 219 151515-03 This titanium washer is machined from bar stock. With 7/16" bolt holes this washer is .20" thick.