Feature(may vary by option.)

●Shank Diameter: 1/4", 8mm, 1/2" (optional)
●Material: Spring Steel
●Item Size: 6.35 * 22 * 88mm (1/4"), 8 * 22 * 88mm (8mm), 12.7 * 28 * 88mm (1/2")
●Item Weight: 90g (1/4"), 97g (8mm), 150g (1/2")
●Heat resistant coated baking to prevent wood chips, resin and asphalt buildup

[8mm Shank]

Description

Specifications:
Shank Diameter: 1/4", 8mm, 1/2" (optional)
Material: Spring Steel
Item Size: 6.35 * 22 * 88mm (1/4"), 8 * 22 * 88mm (8mm), 12.7 * 28 * 88mm (1/2")
Item Weight: 90g (1/4"), 97g (8mm), 150g (1/2")

Package List:
1 x Router Bit Extender
1 x Collet Chuck

Features:
Router Bit Expansion Rod + Collet Chuck Kit for Woodworking Trimming, Milling, Carving Machine
High quality spring steel, strong and sturdy
Extension rods eliminate the risk of pulling the shank from the collet.
Extends router bit to provide full cut depth.
Make sure you work better, safer, more efficient and more labor-saving.