These sizes are suitable for wider models. Size 7 is based on Size 1 but with a minimum closed width of around 1 inch. Size 8 is based on Size 2 again with a minimum closed with of around 1 inch.
Size 7 painting clamp is the same as size 1 but made with thicker material so it’s around 1 inch across the top, too wide for N gauge wagons etc but ideal for other smaller items which are wider. Bar width is around 10mm. Stand sold separately
Size 8 painting clamp is the same size as clamp type 2 but made of a thicker material so not suitable for N gauge coaches etc as the width across the top is around 25 mm. The bar width is around 10 mm The cross bar is around 8 cm long. Stand and gloves sold separately.