The Master Lock No. 377KA features a trailer coupler lock, designed to fit 1-7/8 inch (48mm), 2 inch (51mm) and most 2-5/16 inch (59mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you ca...

The Master Lock No. 421 Steel Safety Lockout Hasp features a 1-1/2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal for lockout by multiple workers at each lockout point, the hasp keeps equipment inoperative while repairs or adjustments are made. Control cannot be turned on until...

Protect marine fish and invertebrates from unsafe water conditions with API SALTWATER MASTER TEST KIT. Fish waste, uneaten food, plant refuse and other organic compounds can create harmful levels of ammonia, nitrite and nitrate as well as cause drastic fluctuations in pH. These unhealthy conditions...

This OEMTOOLS 26 Blade Master Feeler Gauge is perfect for measuring gap widths and other vital measurements. Each blade has been laser etched with SAE and Metric sizes and constructed by hardened, tempered steel. This OEMTOOLS Feeler Gauge also features a thumb notch for easy blade removal.

The Master Lock 175D Set Your Own Combination Padlock features a 2in (51mm) wide solid body for strength and reliability. The 5/16in (8mm) diameter shackle is 1in (25mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-digit dialing allows for thousands of poss...

Open or close your garage door without using a remote control or key. The LiftMaster wireless keyless entry system can open the door using a private 4-digit code you program directly into the unit. You can also program it with temporary access codes for visitors or delivery and service personnel so...

If you’ve ever spent hours renaming files or updating hundreds of spreadsheet cells, you know how tedious tasks like these can be. But what if you could have your computer do them for you?In Automate the Boring Stuff with Python, you’ll learn how to use Python to write programs that do in minutes wh...

The Minions, breakout stars from "Despicable Me," are presented in an origin story that showcases their unpredictable personality and physicality, and pairs them with equally memorable human characters. As it turns out, Minions have existed since the beginning of time. They have evolved from single...

The RPG-122K is a complete package all-in-one 12” PA system. Everything you need in a pro PA system setup is included: You get two 12” pro audio speakers with 1000 watts of total power. The system includes a master active speaker that features the built in amplifier and a second passive 12” speaker...

Channel Master distribution amplifiers, manufactured by Channel Master's former parent company, PCT International, one of the leading manufacturers in the cable telecommunications industry, will boost your digital TV and HDTV signals, increasing their overall signal strength. They have a miniature d...

Exceptional Products For Exceptional Yards. Great yards demand equipment that's as dedicated and hardworking as you. Fortunately, the Husqvarna range of lawn and garden equipment offers everything from lawnmowers and ride-on mowers to trimmers and chainsaws to let you master your great outdoors. You...

Master Lock Stainless Steel Adjustable Coupler Lock is made of stainless steel that prevents rust and corrosion. It features 6 total locking positions, up to 3 inches and keyway cover protects cylinder from dirt and moisture.