Baywindow 4 piece Sill Kit 68-79 SCH801 ( top quality ) SCH801 £70.00 Quantity: at £70.00 each Add To Basket Top quality 4 piece inner and outer sill kit. Fits either LHD or RHD. Correct for all Bay window 68-79. Includes - 1 sliding door side outer sill best quality 1 non sliding door side outer sill best quality 1 pair of best quality inner sills. If you prefer to have drain holes in your outer sills we can add these at no extra cost, just add a note to your order.