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Callaway Big Bertha B21

2020–2023 · Super Game Improvement · 4–LW · 7-iron 29°

Callaway Big Bertha B21 irons
Photo: Callaway

Factory specifications

Factory specifications for Callaway Big Bertha B21, club by club
ClubLoftLieLengthOffset
419°60.5°38.75"0.32"
522°61.3°38.125"0.305"
625°62°37.5"0.29"
729°62.5°37"0.27"
833°63°36.5"0.24"
938°63.5°36"0.215"
PW43°64°35.75"0.185"
AW48°64°35.5"0.15"
SW54°64°35.25"0.125"
LW60°64°35"0.1"
Build
cast with an A.I.-designed Flash Face Cup, stainless body with a Flash Face Cup, Visible Tungsten Energy Core and urethane microspheres
Stock shafts
KBS Max CT80 (steel · 80g class · flexes: R, S), Callaway RCH 55/65/75 (graphite · flexes: L, R, S)
Source
Maker’s standard RH men’s steel build, via loftchart.com

Loft progression

Callaway Big Bertha B21 loft by club: 4 19°, 5 22°, 6 25°, 7 29°, 8 33°, 9 38°, PW 43°, AW 48°, SW 54°, LW 60°0°10°20°30°40°50°60°19°4+322°5+325°6+429°7+433°8+538°9+543°PW+548°AW+654°SW+660°LW
Loft for each club, 4 to LW. The small numbers are the loft added from one club to the next.

Have this set?

Bring it by and we’ll check it against this sheet on the loft-and-lie machine, or get a trade-in offer on the spot. Numbers here are the maker’s standard right-hand, men’s steel-shaft build.