Engineers' Sine Bar - 6 1/8" x 1" x 1 1/2" Engineers' Sine Bar - 6 1/8" x 1" x 1 1/2" Engineers' Sine Bar - 6 1/8" x 1" x 1 1/2" Engineers' Sine Bar - 6 1/8" x 1" x 1 1/2" £28.00 £28.00 Add To Basket 1 in stock. 0 in your basket View Basket Checkout