# 4BF-161, Flat Thumb Wheel Nickel Plated Brass.
# 4BF-162, Flat Thumb Wheel Brass.
# 4BF-163, Round Narrow Nickel Plated Brass.
# 4BF-164, Round Thicker Nickel Plated Brass.
# 4BF-165, Round Narrow Brass.
# 4BF-166, Round Thicker Brass.
# 4BF-169, Sterling Silver.