3/8 Sq. Dr. Locking Z-Series Extension Bar 3/8 Square Length 125mm T30 The 12-point design consists of

The 12-point design consists of three balls held in place by a spring steel ring

Input Drive Size: 1/2" Drive Shape: Square Length: 250mm Type: Extension Socket Output Size: 18mm Output Shape: 6pt

8mm Opening: Surface Drive

Input Drive Size: 3/8" Drive Shape: Square Socket Length: 50mm Type: Ribe-CV Bit Socket Set Output Sizes: M5

ST4027-140 can not substitute with 3027

3/8 Sq. Dr. Locking Z-Series Extension Bar 3/8 Square Length 125mm T30 The 12-point design consists ofNEW locking Z Series extension bar with patented lock and release mechanism. The design features a low profile, slim and fully chrome polished exterior. Length 125mm Type Locking Extension Bar Drive Size 3 8" Square Drive Product Dimension (Refer Line Drawing Image): D1 Size: 17. 5mm D2 Size: 16. 5mm L Size: 125mm