Proseries Hidden Shackle Padlock
The Master Lock No. 6271 ProSeriesĀ® Hidden Shackle Padlock features a 2-7/8in (73mm) wide reinforced die cast body that withstands forcible attacks and a 3/8in (9mm) diameter boron alloy shackle. The Lock body conceals the shackle, defeating attempts to pry and cut. Ideal for transportation, vending & industrial applications, the high security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick.
Features:
- ProSeriesĀ® Padlocks are designed for Commercial/Industrial applications
- Lock body conceals shackle - defeats attempts to pry and cut
- 2-7/8in (73mm) wide reinforced die cast body withstands forcible attacks
- 3/8in (9mm) diameter boron alloy shackle
- High security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Proseries Hidden Shackle Padlock
Proseries Hidden Shackle Padlock
The Master Lock No. 6271 ProSeriesĀ® Hidden Shackle Padlock features a 2-7/8in (73mm) wide reinforced die cast body that withstands forcible attacks and a 3/8in (9mm) diameter boron alloy shackle. The Lock body conceals the shackle, defeating attempts to pry and cut. Ideal for transportation, vending & industrial applications, the high security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick.
Features:
- ProSeriesĀ® Padlocks are designed for Commercial/Industrial applications
- Lock body conceals shackle - defeats attempts to pry and cut
- 2-7/8in (73mm) wide reinforced die cast body withstands forcible attacks
- 3/8in (9mm) diameter boron alloy shackle
- High security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Master Lock No. 6271 ProSeriesĀ® Hidden Shackle Padlock features a 2-7/8in (73mm) wide reinforced die cast body that withstands forcible attacks and a 3/8in (9mm) diameter boron alloy shackle. The Lock body conceals the shackle, defeating attempts to pry and cut. Ideal for transportation, vending & industrial applications, the high security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick.
Features:
- ProSeriesĀ® Padlocks are designed for Commercial/Industrial applications
- Lock body conceals shackle - defeats attempts to pry and cut
- 2-7/8in (73mm) wide reinforced die cast body withstands forcible attacks
- 3/8in (9mm) diameter boron alloy shackle
- High security, rekeyable 6-pin cylinder with spool pins is virtually impossible to pick











