• Ensures the firm clamping of most sizes of workpiece whilst drilling and milling. • T-Nuts and screws suitable for attachment to slots in drilling/milling table. • Fits most popular makes of drilling/milling machines. • Kit supplied in a convenient storage case.• Contents: Step Blocks (x6), Step Clamps (x12), Engineers Stud: 3” (x4), 4” (x4), 5” (x4), 6” (x4), 7” (x4), 8” (x4), Extension Nuts (x4), T-Nuts (x6), Flange Nuts (x6).Ensures the firm clamping of most sizes of workpiece whilst drilling and milling. T-Nuts and screws suitable for attachment to slots in drilling/milling table. Fits most popular makes of drilling/milling machines. Kit supplied in a convenient storage case.• Ensures the firm clamping of most sizes of workpiece whilst drilling and milling. • T-Nuts and screws suitable for attachment to slots in drilling/milling table. • Fits most popular makes of drilling/milling machines. • Kit supplied in a convenient storage case. • Contents: Step Blocks (x6), Step Clamps (x12), Engineers Stud: 3” (x4), 4” (x4), 5” (x4), 6” (x4), 7” (x4), 8” (x4), Extension Nuts (x4), T-Nuts (x6), Flange Nuts (x6). • Model No. SM25/52TTechnical Specification:Contents: Step Blocks (x6), Step Clamps (x12), Engineers Stud: 3” (x4), 4” (x4), 5” (x4), 6” (x4), 7” (x4), 8” (x4), Extension Nuts (x4), T-Nuts (x6), Flange Nuts (x6)Nett Weight: 8.81kgDimensions: Length: 70mm x Height: 315mmWeight: 8.62KgWarranty: 1 year