Specifications:
Suitable for: wood shaft
Size: 102 x 15 x 15mm/4.01 x 0.59 x 0.59"
Net weight: 8g
Gross weight: 10g
Effective extension length: 50mm/1.97"
Large end outer diameter: 0.595"
Small end outer diameter: 0.49"
Color: black
Main material: plastic
Function: to lengthen the club by 50mm/1.97"

Note:
The extension rod length of the wood shaft club is maximumly 1 inch.