Starrett Dual-Vee Magnetic V-Block with Rotary Switch - Holds 1/4" to 1-3/4" Round Stock, Heat-Treated Ground Surfaces - 566

The Starrett Dual-Vee Magnetic V-Block is a dependable solution for machinists requiring accurate stock positioning during layout work, drilling, light milling, and grinding. Designed with two precision-ground vees, it securely holds round materials ranging from 1/4" to 1-3/4" (6.4–44mm) in diameter. The built-in permanent magnet delivers reliable holding power, while the rotary switch allows quick engagement and disengagement. Every working surface is ground and heat-treated to provide lasting accuracy and wear resistance. Sized at 2-1/2" wide by 3" high by 3" long (63 x 75 x 75mm), the 566 V-Block is ideal for general shop use where consistent, repeatable setups are essential.

• Versatile Holding Tool - Provides secure holding stock in place during light-duty milling, drilling, and grinding operations.
• Precision Machining - All working surfaces are accurately ground to ensure alignment and secure stock holding.
• Secure Stock Support - Dual-Vee design holds round stock from 1/4" to 1-3/4" (6.4–44mm), ensuring stability during use.
• Built for Longevity - Heat-treated steel surfaces resist wear, maintaining accuracy and performance over time.
• The Standard for Excellence - Manufacturing quality tools that provide consistent and reliable performance since 1880, Starrett's commitment has earned them a reputation as one of the most trusted names in the industry.