Trishbits New Thumbscrews!
They are no ordinary thumbscrew!
Coming in at 12mm in Diameter they enable racers to have that ease of fastening. Fitting the B4, T4, B44 and anything which has the unc 4-40 thread.
These Thumbscrews show off the machined 'Trishbits' name and come in blue or black.
They are the Standard 4-40 unc thread and come in pairs with the 4-40 half inch grub screw.
A pair for only £5!
E-mail me at
[email protected] and place your order.