Check the listing for details. Estwing B20 Pack (20) Replacement Blades (E3-CA & E3-39). Color: Metal, Condition: New. Listed at 11.55 USD. Estwing B20 Pack (20) Replacement Blades (E3-CA & E3-39) Manufacturer:Estwing Part Number:B20 Replaceable blades and screw gauges for E3-CA, E3-S and E3-39.Replacement Blades and Screw Gauges Style: German Color: Metal Made in the U.S.A. About the Manufacturer Since 1923, Estwing Tools has chiseled out a solid reputation as an American brand recognized for their quality workmanship. Known for their innovative designs and superior craftsmanship, Estwing Tools offers a large variety of tough hammers, axes, pry bars, and specialty tools that cater to tough jobs. With a top-notch brand like Estwing, you can bet they?ll help you get the job done! Bulk Pricing For customers who wish to order large quantities of this item and would like to receive bulk pricing, please contact us directly and we will provide the best price possible.