Allpax AX7004 (M4) Scale Bar Spindle Kit
SM4 Scale Bar Spindle Kit for all sizes SM4 Scale Bars.

• Precision machined components
• Durable steel and brass materials
• Made in USA

• Contents
• 1 x Split Lock Washer
• 1 x Center Bar Hex Head Cap Screw
• 1 x Scale Bar Spindle
• 1 x Knurled Washer
• 1 x Left Hand Knurled Nut