JAW#3 INT 3 3/4"-5 1/4" EXT 3 1/8"-4 1/2

Jaw For Model B1821 "One Way" 4 Jaw Safety Scroll Chuck
#3
Holding Dimensions: External chucking
Minimum: 3 1/8"
Maximum: 4 1/2"
Optional
Holding Dimensions: Internal chucking
Minimum: 3 3/4"
Maximum: 5 1/4"

Made in Canada