- Size: 3/4"
- Model No. 40075
- Square Socket Opening: .591"
- Square Tap Shank: .589
Style B: For Machine and Hand Tapping. Provides easy access for hard-to-reach tapping locations. Tap is supported by close-fitting deep socket of extension and held firmly by two socket set screws which bear on the square tap shank. Standard length 8". Hex key included