Master Lock 40DPF Stainless Steel Discus Padlock – 2-3/4 in Wide, Shrouded Shackle, 4-Pin Cylinder

Overview

The Master Lock 40DPF Stainless Steel Discus Padlock blends strength and reliable security in a compact, weather-ready package. Its 1-9/16 in (70 mm) wide stainless steel body delivers solid heft while resisting corrosion in demanding environments. The fully shrouded design minimizes shackle exposure, helping deter casual tampering and bolt cutter attempts while keeping your valuables within easy reach.

Key features include a hardened 3/8 in (10 mm) diameter shackle (5/8 in / 16 mm long), a 4-pin cylinder, and dual locking levers. Together, these elements provide pick resistance and protection against prying and hammering, offering a practical balance of security and convenience for everyday storage needs.

Use cases and fit

Indoor and outdoor versatility makes it suitable for storage rooms, garages, sheds, trailers, and other access points where durability matters. Before selecting a fit, measure your door’s backset, cross bore, and thickness to ensure the lock body aligns with your setup. The padlock ships with one lock body and two keys for immediate access control.

Key specifications

• Stainless steel body delivers lasting strength and corrosion resistance
• Shrouded shackle minimizes exposure to cutting tools while keeping full locking range
• 4-pin cylinder plus dual locking levers enhance resistance to picking, prying, and hammering
• 2-3/4 in (70 mm) wide body with a 3/8 in (10 mm) diameter shackle
• Includes two keys and a Limited Lifetime Warranty

Warranty and reliability: Master Lock backs this padlock with a Limited Lifetime Warranty, reflecting a brand you know and can rely on for everyday security needs. While no lock can guarantee absolute security, thoughtful design and quality materials offer practical protection and peace of mind in busy spaces.

Whether tucked into a garage cabinet, securing a trailer, or guarding a shed door, this Discus padlock delivers practical security with a straightforward, durable feel that suits busy homes and small businesses alike.